- Serum testosterone and urinary excretion of steroid hormone metabolites after administration of a high-dose zinc supplementK Koehler
Institute of Biochemistry, German Research Centre of Elite Sport, German Sport University Cologne, Cologne, Germany
Eur J Clin Nutr 63:65-70. 2009....
- Urinary excretion of exogenous glycerol administration at restKarsten Koehler
Institute of Biochemistry, German Sport University, Cologne, Germany
Drug Test Anal 3:877-82. 2011..Even though there were significant reductions in haemoglobin and haematocrit after 2.5 h, the plasma expansion by glycerol appeared rather marginal in comparison to placebo...