title: Dose response studies of steroids on the spermatogenesis of the frog Rana hexadactyla Lesson.
mesh_terms: D000728:Androgens / Q000494:pharmacology*; D000818:Animals; D001001:Anura; D004967:Estrogens / Q000494:pharmacology*; D008297:Male; D011374:Progesterone / Q000494:pharmacology*; D011898:Ranidae / Q000502:physiology*; D013091:Spermatogenesis / Q000187:drug effects*
chemical_list: D000728:Androgens; D004967:Estrogens; D011374:Progesterone