Drug Testing and Analysis DOI 10.1002/dta.1557 Piper T, Emery C, Thomas A, Saugy M, Thevis M. Combination of carbon isotope ratio with hydrogen isotope ratio determinations in sports drug testing. 2020, 58, 690. Sport Erlebnis & Bewegung. 2017 Aug 26;279:157-164. doi: 10.1016/j.forsciint.2017.08.023. In: M. Donike, H.Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) J Am Soc Mass Spectrom 2009, 20, 2034 2048 Hans Braun, Karsten Koehler, Hans Geyer, Jens Kleinert, Joachim Mester, Wilhelm Schänzer: Dietary Supplement Use Among Elite Young German Athletes. Sportverlag Strauß, Köln, 2017, 69-74. Drug Test Anal. 2003 Jun;14(6):658-70. The subsequent target HR for training was set as 80% of VO 2-peak (maximum O 2 consumption achieved during the pre-test ergometry test) with 5 bpm added to account for the conversion from cycle to treadmill training (Kroidl et al., 2015). Opfermann, G., Schänzer, W.: Trimethylsilylation- Aspects for derivatisation. 2016; 41, Supplement 1: S19–S21, Thevis M, Sigmund G, Gougoulidis V, Beuck S, Schlörer N, Thomas A, Kwiatkowska D, Pokrywka A, Schänzer W. Screening for benfluorex and its major urinary metabolites in routine doping controls. In: Castell LM, Stear SJ, Burke LM (eds.). 2011 Jan; 3(1):1-14. Epub 2019 Sep 11. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) Recent advances in doping analysis (15). Recent advances in doping analysis (11). In Kallings P., Bondesson U., and Houghton E. (Eds), Proceedings of the 10th International Conference of Racing Analysts and Veterianarians (1994) 140-146. Med., 30 (2006) 491 505 Hebestreit, M., Flenker, U., Fußhöller, G., Geyer, H., Güntner, U., Mareck, U., Piper, T., Thevis, M., Ayotte, C., Schänzer, W.: Determination of the origin of urinary norandrosterone traces by gas chromatography combustion isotope ratio mass spectrometry. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) Mass Spectrom. de Oliveira FA, Casilli A, Piper T, da Silva TR, da Silva CA, da Silva RVS, Dal Sasso MA, Salgueiro GRDSG, Padilha MC, Pereira HMG, Thevis M, Aquino Neto FR. R & W Communications, Newmarket (2007) 421 429 Machnik M, Walpurgis K, Gerlach M, Hegger I, Kietzmann M, Düe M, Weinberger T, Schänzer W: Controlling therapeutic substances - a European harmonised approach: Determination of the detection time for dembrexine following multiple oral administration of horses. GIT Labor-Fachzeitschrift. Int. A pharmacokinetic study of dembrexine in horses. Thevis M, Schänzer W. Emerging drugs affecting skeletal muscle function and mitochondrial biogenesis – Potential implications for sports drug testing programs Rapid Commun. In: Joint meeting of the Czech, German and Hungarian pharmaceutical societies. Rapid Commun. Brüssel 29.11. 2017; Apr 7. doi: 10.1111/jvp.12408. Putz M, Piper T, Thevis M: Identification of trenbolone metabolites using hydrogen isotope ratio mass spectrometry and liquid chromatography/high accuracy/high resolution mass spectrometry for doping control analysis. Recent advances in doping analysis (11). 2016 Nov;8(11-12):1163-1173 Schaefer MS, Piper T, Geyer H, Schneemann J, Neukirchen M, Thevis M, Kienbaum P. Xenon elimination kinetics following brief exposure. J. Chromatogr. Leichtathletiktraining, 30(6), 32-37. Lawley JS, Gatterer H, Dias KA, Howden EJ, Sarma S, Cornwell WK 3rd, Hearon CM Jr, Samels M, Everding B, Hendrix M, Piper T, Thevis M, Levine BD. Eur J Appl Physiol. Appl. In: Schänzer W, Thevis M, Geyer H, Mareck U (eds.) Pütz M, Piper T, Schänzer W, Thevis M: In vitro metabolism studies of SARM YK-11. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) 2018, 7: 739–748. Institut für Sport- und Präventivmedizin Stuttgart (1998) 24 38 . Sie ist Deutschlands einzige Universität, die sich ausschließlich dem Themenfeld Sport und Bewegung widmet. Thevis M, Knoop A, Schaefer MS, Dufaux B, Schrader Y, Thomas A, Geyer H. Can Dried Blood Spots (DBS) Contribute to Conducting Comprehensive SARS-CoV-2 Antibody Tests? Proceedings of the 2nd International Symposium on Drugs in Sports, Towards the Use of Blood Samples in Doping Control. 2010 Nov;2(11-12):637-642 Maxie Kohler, Katja Walpurgis, Andreas Thomas, Markus de Maree, Joachim Mester, Wilhelm Schänzer and Mario Thevis: Effects of endurance exercise on the urinary proteome analyzed by 2-D PAGE and Orbitrap MS. Proteomics Clin Appl, 4 (2010) 568–576. Tierarzt, coll. Z. Sportmed. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck (eds.) Sportverlag Strauß, Köln (2008) 69 70 Kuuranne T, Pystynen KH, Kostiainen R, Leinonen A, Thevis M, Schänzer W: Metabolism of "new" anabolic steroids: Development of in vitro methodology in metabolite production and analytical techniques. Dissertation, Deutsche Sporthochschule Köln, Köln, Germany. J. Chromatogr B Analyt Technol Biomed Life Sci, 2008 Dec 15;876(2):225-35 Voss SC, Flenker U, Majer B, Schänzer W: Stability tests for haematologic parameters in an anti- oping context. Drug Test Anal. Epub 2012 Jul 31. In: M. Donike, H.Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) Z. Sportmed. A case-related study. Bundesinstitut für Sportwissenschaft, Sport und Buch Strauß, Köln (1996) Donike, M.: Gutachten zur Frage des Nachweises von Dopingmitteln im Blut. Wissenschaftsmagazin, 1 (2008) 4-11 Köhler K, Braun H, Geyer H: Ernährung und Aktivität jugendlicher Kaderathleten. Eur. PMID: 33283964. ): Sport ist Spitze - Landessportprogramm Talentsuche und Talentförderung. [Epub ahead of print]. Handbook of Experimental Pharmacology 195, Springer, Heidelberg, Dordrecht, London, New York, 2010, 209-226 Thevis M, Bredhöft M, Kohler M, Schänzer W: Mass spectrometry-based analysis of IGF-1 and hGH. Sport und Buch Strauß, Köln (2005) 415 418 Flenker, U., von Kuk, C., Hülsemann, F., Gougoulidis, V., Güntner, U., Schänzer, W.: Influence of Changes in Diet on the Dynamics of 13C/12C-ratios in Selected Urinary Steroids. Low energy availability in exercising men is associated with reduced leptin and insulin but not with changes in other metabolic hormones. Stoffel W, Schmidt-Soltau I, Binczek E, Thomas A, Thevis M, Wegner I. Dietary ω3-and ω6-Polyunsaturated fatty acids reconstitute fertility of Juvenile and adult Fads2-Deficient mice. J. Deutsche Pharmazeutische Gesellschaft, Frankfurt, 2009, 235 Parr MK, Geyer H, Gütschow M, Schänzer W: Recent steroid findings in “designer supplements”. In: Loland S, Bø K, Fasting K, Hallén J, Ommundsen Y, Roberts G, Tsolakidis E (eds.). In: Verbotene Methode – Erhöhung des Sauerstofftransfers. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck (eds.) Finnigan Analytical News, 96 (1996) 1-2. Thevis M, Kuuranne T, Geyer H. Annual banned-substance review - Analytical approaches in human sports drug testing. doi:10.1136/bjsports-2018-099027. Heute steht der erste #BasisFitnessTest an und wir werden sehen, wie fit eigentlich unsere #Rekruten sind! J.A. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck (eds.) Thevis, M., Schänzer, W.: Dopinganalytik mittels GC-MS und LC-MS/MS. L. Tretzel, C. Görgens, H. Geyer, A. Thomas, J. Dib, S. Guddat, V. Pop, W. Schänzer, M. Thevis. 2020 Dec 7. doi: 10.1002/dta.2991. In: Schänzer W, Geyer H, Gotzmann A, Mareck U (eds.) In: Schänzer W, Geyer H, Gotzmann A, Mareck U (eds.) [Epub ahead of print], Braun H.; Die Besonderheiten der Ernährung im Leistungssport – von Freizeit- bis zu Hochleistungsaktivitäten, Ernahrungsmed 2016; 41, Supplement 1: S10–S14, Casilli A, Piper T, de Oliveira FA, Padilha MC, Pereira HM, Thevis M, de Aquino Neto FR Optimization of an on-line heart-cutting multidimensional gas chromatography clean-up step for isotopic ratio mass spectrometry and simultaneous quadrupole mass spectrometry measurements of endogenous anabolic steroid in urine. Implementation and performance of the gas chromatography/combustion/isotope ratio mass spectrometry-based method for the confirmatory analysis of endogenous anabolic steroids during the Rio de Janeiro Olympic and Paralympic Games 2016. Gotzmann, A.,Schänzer, W.,Geyer, H., Donike, M.: Detection of trenbolone by HPLC. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) Recent advances in doping analysis. Recent advances in doping analysis (19). 2016. Donike, M., Rauth, S., Sample, B.:Excretion of ephedrine and endogenous steroids under conditions of controlled water intake and of water diuresis. 2010, 391, 119-1272009 Beuck S, Schlörer N, Kamber M, Schänzer W, Thevis M: Hypoxia-inducible factor (HIF) pathway as target for doping purposes and mass spectrometric characterisation of orally available model HIF-stabilizers. In: P. Belotti, G. Benzi, A. Ljungqvist (eds) Official Proceedings of the IInd I.A.F. Sport und Buch Strauß, Köln (2005) 65 74 Parr, M.K., Becker, M., Bartz, U., Opfermann, G., Schänzer, W.: Synthesis of isomers of 5-androstan-17-ol-3-one, androst-1- and -4-ene-3,17-diol and their characterisation with GC/MS. 2014 Nov-Dec;6(11-12), Tretzel L, Thomas A, Geyer H, Gmeiner G, Forsdahl G, Pop V, Schänzer W, Thevis M: Use of dried blood spots in doping control analysis of anabolic steroid esters. Flenker U, Riemann P, Hülsemann F, Gougoulidis V, Thevis M, Schänzer W: Intracrine androgen metabolism.Fundamentals and a new approach to make use of 13C/12C signals of endogenous Steroids. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck (eds.) Jason Whitehead. and Vets. 14, 6 (2003) 635 47. Analysis, 2012, 4. 2015 Jan 15;29(1):61-6 Thevis M, Thomas A, Schänzer W: Detecting peptidic drugs, drug candidates and analogs in sports doping: current status and future directions. Growth Horm IGF Res. (18) 1997 8 12. XXVII (1997) 51 55 Schänzer, W.: Aktuelle Probleme und Tendenzen im Doping. doi. Anal. Recent advances in doping analysis (8). PMID: 33097528. Recent advances in doping analysis (6). and Vets. The 37th Manfred Donike workshop on doping analysis - Editorial. Sportverlag Strauß, Köln (2007) 143 152 Petkovic V, Thevis M, Lochmatter D, Besson A, Eble A, Flück CE, Mullis EP: GH mutant (R77C) in a pedigree presenting with the delay of growth and pubertal development: structural analysis of the mutant and evaluation of the biological activity. Recent advances in doping analysis (11). Recent advances in doping analysis (13). Epub 2019 Oct 31. Sport und Buch Strauß, Köln (2006) 489 492 Parr MK, Opfermann G, Schänzer W: Detection of new 17-alkylated anabolic steroids on WADA 2006 list. In Spitzer G und Franke E (Hrsg.) and Vets. Thevis M, Kuuranne T, Geyer H, Schänzer W. Annual banned-substance review: analytical approaches in human sports drug testing. Sport und Buch Strauß, Köln (2006) 289 298 Schänzer W, Sauer M: Doping im Sport. Dtsch Z Sportmed. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck (eds.) Schänzer W., Opfermann G. and Donike M.: Metabolism of stanozolol: Identification and synthesis of urinary metabolites. Epub 2016 Feb 6. Sport und Buch Strauß, Köln (2005) 479 482 Gotzmann, A., Thevis, M., Bredehöft, M., Schänzer, W.: Glucocorticosteroids in Routine Doping Analysis: Metabolism and Detection of Fluticasone-17-propionate. Drug Testing and Analysis 1 (2009) 81 86 Thomas A, Kohler M, Schänzer W, Kamber M, Delahaut P, Thevis M: Determination of Synacthen in urine for sports drug testing by means of nano-ultra-performance liquid chromatography/tandem mass spectrometry. 43 (2008) 865 876 Thevis M, Geyer H, Schänzer W: Dopingkontrollaktivitäten in Deutschland 1989 2006. Theriogenology, 74, 2010, 229 - 235. Recent advances in doping analysis (4). Sportverlag Strauß, Köln (2008) 233 243 Kohler M, Ayotte C, Desharnais P, Flenker U, Lüdke S, Lüdke A, Thevis M, Völker-Schänzer E, Schänzer W: Relative mobility values for the discrimination of endogenous and recombinant EPO on SDS gels. Recent advances in doping analysis (17). Letters to the editor. J. 2012 Jan 10. In: Schänzer W, Geyer H, Gotzmann A, Mareck U (eds.) Forensic Sci Int. Thevis M, Walpurgis K, Thomas A. Analytical Approaches in Human Sports Drug Testing: Recent Advances, Challenges, and Solutions. Mori Y, Ko E, Furrer R, Qu LC, Wiber SC, Fantus GI, Thevis M, Medline A, Giacca A. Epub ahead of print. Die Gutachter von der Sporthochschule Köln weisen noch auf ein weiteres Problem der hohen Mengenempfehlungen hin: "Insbesondere sollte berücksichtigt werden, dass es einhergehend mit der Einnahme der Shakes zu einer zusätzlichen Energieaufnahme kommt, die den täglichen Energiebedarf übersteigen kann." Lange T, Thomas A, Walpurgis K, Thevis M. Fully automated dried blood spot sample preparation enables the detection of lower molecular mass peptide and non-peptide doping agents by means of LC-HRMS. 2019; 11:1675–1697. Analysis 2009, 1, 382-386 Kohler M, Franz S, Regeniter A, Ikonen A, Walpurgis K, Thomas A, Schänzer W, Thevis M: Comparison of the urinary protein patterns of athletes by 2D-gel electrophoresis and mass spectrometry – a pilot study. Biol., 57 (1996) 363-376. Dt. 2016 Nov;8(11-12):1204-1211 Dib J, Mongongu C, Buisson C, Molina A, Schänzer W, Thuss U, Thevis M. Mass spectrometric characterization of the hypoxia-inducible factor (HIF) stabilizer drug candidate BAY 85-3934 (molidustat) and its glucuronidated metabolite BAY-348, and their implementation into routine doping controls. Sport und Buch Strauß, Köln (1995) 301-304. Recent advances in doping analysis (5). Recent advances in doping analysis (17). Schenk I, Heinemann H, Wagner S, Guddat S, Machnik M, Schänzer W, Barton AK, Gehlen H. Detection of inhaled budesonide in equine plasma and urine by liquid chromatography/tandem mass spectrometry. Nachweis selektiver Androgenrezeptor Modulatoren in der Dopinganalytik. Recent advances in doping analysis (9). 2010, 3, :651-7 Orlovius AK, Parr MK, Guddat S, Gütschow M, Thevis M, Schänzer W: Detection of urinary phase-I and phase-II metabolites of ephedrine and oxilofrine by LC-MS/MS. Sport und Buch Strauß, Köln (1996) 313 324 Mareck-Engelke U., Geyer H., Schindler U., Flenker U., Iffland R. and Donike M.: Influence of Ethanol on Steroid Profile Parameters in: M.Donike, H.Geyer, A.Gotzmann, U.Mareck-Engelke (Eds.) Recent advances in doping analysis (12). Knych HK, Stanley SD, McKemie DS, Arthur RM, Bondesson U, Hedeland M, Thevis M, Kass PH. Braun H, von Andrian-Werburg J, Malisova O, Athanasatou A, Kapsokefalou M, Ortega JF, Mora-Rodriguez R, Thevis M. Differing Water Intake and Hydration Status in Three European Countries—A Day-to-Day Analysis. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) Mass Spectrom. Mass Spectrom. Anal Bioanal Chem. Recent advances in doping analysis (9). Drug Testing and Analysis 2011, 3, 11-12: 756–770. In: Schänzer W, Geyer H, Gotzmann A, Mareck U (eds.) Recent advances in doping analysis (12). Höppner S, Schänzer W, Thevis M.: Fragmentation studies of SIRT1-activating drugs and their detection in human plasma for doping control purposes. Sportverlag Strauß, Köln (2009) 107 116 Lüdke A, Flenker U, Lüdke S, Schänzer W: Influence of storage on the mobility values of human erythropoietin. Sportverlag Strauß, Köln (2007) 97 102. Drug Test Anal. Hülsemann F, Fußhöller G, Lehn C, Thevis M. Excretion of 19-norandrosterone after consumption of boar meat. Sportverlag Strauß, Köln (2008) 257 266 Kuuranne T, Leinonen A, Schänzer W, Kamber M, Kostiainen M, Thevis M: Aryl-propionamide-derived selective androgen receptor modulators: Liquid chromatographic-tandem mass spectrometric characterization of the in vitro synthesized metabolites for doping control purposes. 2013, 5, 896-899 Karsten Koehler, Silvia Achtzehn, Hans Braun, Joachim Mester, and Wilhelm Schänzer: Comparison of self-reported energy availability and metabolic hormones to assess adequacy of dietary energy intake in young elite athletes. Rapid Commun. Mass Spectrom. Liquid chromatography-high resolution/ high accuracy (tandem) mass spectrometrybased identification of in vivo generated metabolites of the selective androgen receptor modulator ACP-105 for doping control purposes. Sportverlag Strauß, Köln (2008) 59 68 Thevis M, Schänzer W: Verschleierung von Peptidhormon-Missbrauch mit Proteasen und deren Nachweis in der Dopinganalytik. Sport und Buch Strauß, Köln (2004) 71 80 Parr, M.K., Opfermann, G., Schänzer, W.: Analytical properties of 4-hydroxysteroids and some esters. 2010, 35, 178-182 Braun H. Dietary supplements. Amy McFadzien. 2020;58(5):690‐700. In: Schänzer W, Geyer H, Gotzmann A, Mareck U (eds.) Sport und Buch Strauß, Köln , (1997) 261-270. J.Mass.Spectrom. Epub 2019 Aug 8. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck (eds.) Rapid Commun Mass Spectrom. Z. Sportmed. Sport und Buch Strauß, Köln (2003) 109 118 Mareck, U., Geyer, H., Parr, M.K., Reinhart, U., Schänzer, W.: Untersuchung von nicht-hormonellen Nahrungsergänzungsmitteln (NEM) auf nicht deklarierte anabol-androgene Steroide - eine internationale Studie -. Eur J Appl Physiol. Hormonelle Regulation und psychophysische Belastung im Leistungssport, Deutscher Ärzte-Verlag, Köln (1991) 49 54 Geyer, H.: Dopingkontrollen und ihre Probleme.in: W.Freitag (Hrsg. Recent advances in doping analysis (20). Gotzmann, A., Platen, P., Keizer,, H.A., Donike, M., Velde, C., Heps, U., Dobberstein, C.: Exercise induced changes of serum tryptophan (TRP) and the large-neutral-aminoacids (LNAA) and their relation to prolactin (PRL) release in trained women. A screening method for nortestosterone in horse serum wit a possible confirmation in urine. Parr MK, Opfermann G, Piper P, Schänzer W: Characterisation of steroid metabolites recently detected in doping control analyses. Fußhöller G, Geyer H, Schänzer W, Thevis M: Bacterial activities in urine samples: Formation of metandienone and 6β-hydroxy-metandienone from the internal standard methyltestosterone – a case study. doi.org/10.1002/dta.2736. Bioanalysis. Z. Sportmed. Thevis, M., Opfermann, G., Schänzer, W..: Detection of the plasma volume expander hydroxyethyl starch in human urine. In: M. Donike, H.Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) In: Schänzer W, Geyer H, Gotzmann A, Mareck U (eds.) Sportverlag Strauß, Köln (2007) 397 400 Hinrichs T, Franke J, Voss S, Schänzer W, Platen P: Totale Hämoglobinmasse und Eisenstoffwechsel bei Leistungssportlerinnen. [Epub ahead of print]  Piper T, Geyer H, Blatt C, Schänzer W, Thevis M: Hydrogen isotope ratios of urinary norandrosterone - a case study. Evolving concepts and techniques for anti-doping. & DVV (Hrsg.). Lehmann S, Schulze B, Thomas A, Kamphausen T, Thevis M, Rothschild MA, Mercer-Chalmers-Bender K. Organ distribution of 4‑MEC, MDPV, methoxetamine and α‑PVP: comparison of QuEChERS and SPE. Recent advances in doping analysis (6). Biomed Chromatogr, 19 (2005) 743 750 Hebestreit, M., Flenker, U., Fußhöller, G., Güntner, U., Geyer, H., Mareck, U., Schänzer, W.: Mission (Im)possible? Office for Offical Publications of the European Communities, Luxembourg, 1995, 347-362. Proceedings of the 7th annual USADA Symposium on anti-doping-science, Colorado Springs, USA October 17-20, 2008. Ines Möller, Annette Wintermeyer, Katja Bender, Martin Jübner, Andreas Thomas, Oliver Krug, Wilhelm Schänzer, Mario Thevis: Screening for the synthetic cannabinoid JWH-018 and its major metabolites in human doping controls. Biochemistry, 46 (2007) 225 233 Binczek E, Jenke B, Holz B, Günter RH, Thevis M, Stoffel W: Obesity resistance of the stearoyl-CoA desaturase-deficient (scd1-/-) mouse results from disruption of the epidermal lipid barrier and adaptive thermoregulation. Nolteernsting, E., Geyer, H., Mareck-Engelke, U., Schänzer, W., Donike, M.: Standardisation of the T/E-determination by deuterated internal standards. Recent advances in doping analysis (17). Dtsch. Ernährungsmed. Recent advances in doping analysis (12). Sport und Buch Strauß, Köln (2003) 365 372 Flenker, U., Schänzer, W: Expression of differences in isotopic composition. Recent advances in doping analysis (19). Mini-Reviews in Medicinal Chemistry, 7 (2007) 533 539 Thevis M, Geyer H, Mareck U, Flenker U, Schänzer W: Doping-control analysis of the 5alpha-reductase inhibitor finasteride: determination of its influence on urinary steroid profiles and detection of its major urinary metabolite. Deutscher Sportärztekongress. J Pharm Biomed Anal 138 (2017) 175–179. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck (eds.) Recent advances in doping analysis (9). Sport und Buch Strauß, Köln (2006) 27 33 Guddat S, Sigmund G, Thomas A, Opfermann G, Thevis M, Schänzer W: Detection of meclofenoxate and its degradation products dimethylaminoethanol and p-chloro-phenoxyacetic acid. Lungenheilkunde, 4, 1 (2002) 8-11 Schänzer, W.: Untersuchung von nicht-hormonellen Nahrungsergänzungsmitteln (NEM) auf nicht-deklarierte anabol-androgene Steroide. Deutscher Ärtzteverlag, Köln (2012) S.189-196 Krug O, Thomas A, Walpurgis K, Sigmund G, Schänzer W, Thevis M: Analysis of confiscated products with suspiciously doping relevant ingredients by GC-MS, LC-HRMS and LC-MSn. Recent advances in doping analysis (15). Schänzer W, and Donike M.: Review - Synthesis of 6ß-hydroxy-3-keto-4-ene steroids, and synthesis of 6ß-hydroxy metabolites of anabolic steroids. 2020;12(7):994-997. In: Thevis M, Geyer H, Mareck U (eds.) 23 (2009) 2363–2370 Thevis M, Schänzer W: Challenges in identification and quantification of proteins in doping control. Recent advances in doping analysis (13). In: Schänzer W, Thevis M, Geyer H, Mareck U (eds.) ; Kapsokefalou, M.; Malisova, O.; Athanasatou, A.; Husemann, M.; Domnik, K.; Braun, H. Influence of Physical Activity and Ambient Temperature on Hydration: The European Hydration Research Study (EHRS). In: Proceedings of the 20th International Conference of Racing Analysts and Veterinarians, Mauritius 2014. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) 2017, 27, 475-481. Sports Exerc. In: AWI – Alfred Wegener Institute for Polar and Marine Research, Research Unit Potsdam (ed. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck (eds.) of Rac. Nutrients 2016, 8, 252. In: M. Donike, H.Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) Labor & More 4 (2013) 24 28 Thevis M, Krug O, Schänzer W: Monitoring phosphodiesterase-4 inhibitors using liquid chromatography/(tandem) mass spectrometry in sports drug testing. of Rac. Uruguay (2017): 598-603. Mass Spectrom., 14 (2008) 145 152 Thevis M, Lohmann W, Schrader Y, Kohler M, Bornatsch W, Karst U, Schänzer W: Use of electrochemically synthesised metabolite of a selective androgen receptor modulator for mass spectrometry-based sports drug testing. In: Schänzer W, Geyer H, Gotzmann A, Mareck U (eds.) Br J Sports Med. Mass Spectrom. Journal of Sports Sciences, 25:1 (2007)103 113 Maurer J, Kohler M, Schänzer W, Thevis M: Identification of proteolytic enzymes in human urine. Poceedings of the 46th ASMS Conference on Mass Spectomtry and allied topics, 31.5-4.6.98. Analysis 2010, 2, 217–224. (Red. Proceedings of the Drug Analysis Symposium 2010, Antwerp, Belgium, Belgian Society of Pharmaceutical Sciences (2010) 75 Parr MK, Diel P, Zierau O, Schänzer W: Characterization of the anabolic and androgenic properties of the unapproved aromatase inhibitor androsta-1,4,6-triene-3,17-dione. Hincks, C.M. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) Growth Horm IGF Res. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) Recent advances in doping analysis (25). European Journal of Sport Science 3, 1 (2003) download als PDF-file Gotzmann, A., Bredehöft, M., Thevis, M., Schänzer, W.: Detection of Prednisolone, Prednisone and 20?Dihydroprednisolone in Human and Equine Urine by Means of LC-MS/MS. J Chrom B. Der praktische Tierarzt 9 (2006) 698 702 Kietzmann M, Düe M, Weinberger T, Machnik M: Überlegungen zur Abschätzung von Karenzzeiten bei Sportpferden. Acta 1030, 2018,105-114. Recent advances in doping analysis (9). J. vet. Mareck U, Gougoulidis V Flenker U, Schänzer W (Cologne): Case study: GC/C/IRMS data of an unsusual urine sample. Recent advances in doping analysis (9). In: Schänzer W, Geyer H, Gotzmann A, Mareck U (eds.) 2019 Aug;60(8):1396-1409. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) Drug Test Anal. Recent advances in doping analysis (14). In: Schänzer W, Geyer H, Gotzmann A, Mareck U (eds.) Recent advances in doping analysis (8). 2020 Sep 22. doi: 10.1002/dta.2933. 2010, 685-721 Walpurgis K, Kohler M, Thomas A, de Maree M, Mester J, Schänzer W, Thevis M: Effects of endurance exercise on the urinary proteome analyzed by 2D-PAGE and Orbitrap mass spectrometry. Recent advances in doping analysis (24). Mass Spectrom., 2008, 22, 2161 2175 Piper T, Flenker U, Schänzer W: Determination of 13C/12C ratios of endogenous urinary steroids: Method validation, reference population and implication for doping control purposes. In: R. Häcker, H. de Marées (eds.) Widder, R.A., Bartz-Schmidt, K.U., Geyer, H., Brunner, R., Kirchoff, B., Donike, M., Heinmann, K.: Candida albicans endophthalmitis after anabolic steroid abuse. Lebensmittelchemie, 57 (2003) 64 65 Parr, M.K., Geyer, H., Sigmund, G., Koehler, K., Schänzer, W.: Screening of Nutritional Supplements for Stimulants and other Drugs. 4-Stufentest, mit dem Ziel, ein zeitsparendes und zugleich aussagekräftiges Sreeningverfahren zur Beurteilung der aeroben Leistungsfähigkeit zu etablieren. Sport und Buch Strauß, Köln (2005) 243 244 Von Kuk, C., Flenker, U., Güntner, U., Hülsemann, F., Schänzer, W.: Influence of Changes in Diet on the Dynamics of 13C/12C-ratio in Selected Urinary Steroids. Proceedings of the 10th Cologne Workshop on Dope Analysis 7th to 12th June 1992, Sport und Buch Strauß, Köln (1993) 47 62.