Authors: Coutinho, EM Athayde, C Atta, G Gu, ZP Chen, ZW Sang, GW Emuveyan, E Adekunle, AO Mati, J Otubu, J Reidenberg, MM Segal, SJ

Citation: Em. Coutinho et al., Gossypol blood levels and inhibition of spermatogenesis in men taking gossypol as a contraceptive - A multicenter, international, dose-finding study, CONTRACEPT, 61(1), 2000, pp. 61-67