Seminal plasma hormone concentration after oral application of progesterone - Feuring, Martin; Bertsch, Thomas; Tran, B. M.; Rossol-Haseroth, Karin; Lösel, Ralf M.; Tillmann, Hanns-Christian; Schultz, Armin; Weigel, Michael; Wehling, Martin (International journal of clinical pharmacology and therapeutics, 2002)