title: Effect of pituitary extracts on the spermatogenesis of the green frog Rana hexadactyla Lesson.
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D001001:Anura; D006065:Gonadotropins, Pituitary / Q000378:metabolism; D008297:Male; D010907:Pituitary Hormones / Q000494:pharmacology*; D011898:Ranidae; D012621:Seasons; D013091:Spermatogenesis / Q000187:drug effects; D013094:Spermatozoa / Q000187:drug effects*
chemical_list: D006065:Gonadotropins, Pituitary; D010907:Pituitary Hormones