title: Human antifertility effect of gossypol cytologic observation of semen.
mesh_terms: D000251:Adenosine Triphosphatases / Q000032:analysis; D003272:Contraceptive Agents, Male / Q000494:pharmacology*; D006072:Gossypol / Q000494:pharmacology*; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008928:Mitochondria / Q000187:drug effects; D012661:Semen / Q000166:cytology / Q000187:drug effects*; D013091:Spermatogenesis / Q000187:drug effects
chemical_list: D003272:Contraceptive Agents, Male; D000251:Adenosine Triphosphatases; D006072:Gossypol