title: Effect of vitamin A acid on the testis of the Egyptian toad.
mesh_terms: D000818:Animals; D002025:Bufonidae; D008297:Male; D051381:Rats; D013091:Spermatogenesis / Q000187:drug effects; D013737:Testis / Q000187:drug effects / Q000473:pathology*; D014212:Tretinoin / Q000633:toxicity*
chemical_list: D014212:Tretinoin