title: Effects of progesterone and estrogen on the histology of the oviduct of the garter snake, Thamnophis elegans.
mesh_terms: D000818:Animals; D002369:Castration; D004958:Estradiol / Q000494:pharmacology; D004967:Estrogens / Q000494:pharmacology*; D005260:Female; D010057:Oviducts / Q000166:cytology / Q000187:drug effects*; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology*; D012911:Snakes / Q000033:anatomy & histology*
chemical_list: D004967:Estrogens; D011374:Progesterone; D004958:Estradiol