title: Gossypol--an effective male contraceptive was not mutagenic in sperm head abnormality assay in mice.
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D006072:Gossypol / Q000031:analogs & derivatives* / Q000494:pharmacology; D008297:Male; D051379:Mice; D008815:Mice, Inbred Strains; D009152:Mutagenicity Tests; D009154:Mutation; D013077:Sperm Head / Q000187:drug effects* / Q000648:ultrastructure; D013094:Spermatozoa / Q000187:drug effects*
chemical_list: D006072:Gossypol; C028178:gossypol acetic acid