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Rapid Commun Mass Spectrom, 23 (2009) 1917 192 Pozo OJ, Lootens L, Van Eenoo P, Deventer K, Meuleman P, Leroux-Roels G, Parr MK, Schänzer W, Delbeke FT: Combination of liquid-chromatography tandem mass spectrometry in different scan modes with human and chimeric mouse urine for the study of steroid metabolism. Steroids, 73 (2008) 408 416 Flenker U, Schänzer W: Analytik von Steroiden – Isotopensignatur verrät Doping. Bei der Sporteignungsprüfung der Sporthochschule Köln handelt es sich um einen Zulassungstest. Sport und Buch Strauß, Köln , (1997) 253-260. Drug Testing and Analysis 2011, 3, 11-12: 791–797. Recent advances in doping analysis (5). 25 Jahre Trainerausbildung. Sport und Buch Strauß, Köln (2004) 65 68 Mareck, U., Sigmund, G., Opfermann, G., Geyer, H., Schänzer, W.: Screening on letrozoleand ist metabolite in doping analysis. Donike, M., Rauth, S., Wolansky, A.: Reference ranges of urinary endogenous steroids determined by gas-chromatography/mass spectrometry. 2016 Nov;8(11-12):1152-1161 Walpurgis K, Thomas A, Schänzer W, Thevis M . Commun. Osteoarthritis Cartilage. Sportverlag Strauß, Köln (2018) 167–169. In: Schänzer W, Thevis M, Geyer H, Mareck U (eds.) In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck (eds.) 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. (eds.) 2010, 4, 18-21 Braun H. Besonderheiten der Ernährung in Sportarten mit Gewichtsklassen. Proceedings of the 17th International Conference of Racing Analysts and Veterinarians, Antalya 2008, R & W Publications, Newmarket (2009) 132 133 Machnik M, Sigmund G, Koch A, Thevis M, Schänzer W: Prevalence of antidepressants and biosimilars in elite sports. Hierzu haben wir Ihnen einen kurzen Test zusammengestellt, der Ihnen mehr über Ihre momentane Kondition verrät. Es werden grundlegende Aspekte der Ernährung und die Bedeutung der Nährstoffe im Sport besprochen. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) Machnik, M., Delahaut, P., Horning, S., Schänzer, W.: Purification and concentration of anabolic steroids by immuno affinity chromatography (IAC). vet. Sportverlag Strauß, Köln (2009) 225 228 Thevis M, Hemmersbach P, Geyer H, Schänzer W: Doping im Behindertensport. Food Additives & Contaminants: Part A, 2013, Publisher: Taylor & Francis, London. J. Proc. In: W. Schänzer, H. Geyer, A. Gotzmann, U. Mareck-Engelke (eds.) 2020;1–6. Springer, New York, 2013, 952: 301-312 Thevis M, Geyer H, Sigmund G, Schänzer W. Sports drug testing: Analytical aspects of selected cases of suspected, purported, and proven urine manipulation. 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Hintikka L, Kuuranne T, Leinonen A, Thevis M, Schänzer W, Halket J, Cowan D, Grosse J, Hemmersbach P, Nielen MW, Kostiainen R: Liquid chromatographic-mass spectrometric analysis of glucuronide-conjugated anabolic steroid metabolites: method validation and interlaboratory comparison. Thevis M, Koch A, Sigmund G, Thomas A and Schänzer W: Analysis of octopamine in human doping control samples. Recent advances in doping analysis (4). 40 (2005) 494 502 Thevis, M., Geyer, H., Schänzer, W.: Identification of oral antidiabetics and their metabolites in human urine by liquid chromatography/tandem mass spectrometry - a matter for doping control analysis. Laboratory Hematology 14 (2008) 24 29 2007 Benchaar, S.A., Xie, Y., Phillips, M., Ogorzalek Loo, R.R., Galkin, V.E., Orlova, A., Thevis, M., Muhlrad, A., Almo, S.C., Loo, J.A., Egelman, E.H., Reisler, E.: Mapping the interaction of cofilin with subdomain 2 on actin. 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