title: Proceedings: progestagens and oestrogens in peripheral plasma of the platypus, Ornithorhynchus anatinus.
mesh_terms: D000818:Animals; D002369:Castration; D004958:Estradiol / Q000097:blood; D004967:Estrogens / Q000097:blood*; D005260:Female; D006908:Hydroxyprogesterones / Q000097:blood; D008297:Male; D009007:Monotremata / Q000097:blood*; D011247:Pregnancy; D011374:Progesterone / Q000097:blood; D011372:Progestins / Q000097:blood*
chemical_list: D004967:Estrogens; D006908:Hydroxyprogesterones; D011372:Progestins; D011374:Progesterone; D004958:Estradiol