title: [Ultrastructural study of the testis in 22 persons based on the effect of gossypol].
mesh_terms: D000328:Adult; D005260:Female; D006072:Gossypol / Q000494:pharmacology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013093:Spermatogonia / Q000648:ultrastructure; D013094:Spermatozoa / Q000648:ultrastructure; D013737:Testis / Q000648:ultrastructure*
chemical_list: D006072:Gossypol