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Concentraçao Urinaria de Ea

Enna, C., Boisseau, N. & Dugue, B. (2009). Facteurs biologiques influençant les concentrations urinaires en stéroïdes anabolisants lors de contrôles antidopage (Biologische Faktoren, die die Konzentration anaboler Steroide im Urin bei Dopinganalysen beeinflussen). Science & Sports, 24 (3-4), 119-127. Zugriff am 10.08.2009 unter http://dx.doi.org/10.1016/j.scispo.2008.10.006 

To review the biological factors that may influence the urinary concentrations of anabolic steroids in doping controls.TopicsAccording to the World Anti-Doping Agency statistics, the use of anabolic steroids represents the main offence carried out by the athletes. The use of substances naturally produced by the body (such as testosterone, nandrolone) makes the interpretation of urine analyses very difficult. Furthermore, many biological factors (age, diet, menstrual cycle, oral contraceptives…) may modify these concentrations.PerspectivesThe search of indirect markers of doping through the setting of the biological passport offers a powerful alternative to the current anti-doping method. Detecting the presence of the exogenous substances in biological matrices would not be the main purpose in that kind of strategy, but rather the examination of the spectra of biological variances that can be affected by doping substances. (Mikrofiche-Nummer:17292)

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