title: Studies on norgestrel-releasing intrauterine devices in Erythrocebus patas monkeys.
mesh_terms: D000818:Animals; D002520:Cercopithecidae / Q000502:physiology*; D004901:Erythrocebus patas / Q000502:physiology*; D004967:Estrogens / Q000097:blood; D005260:Female; D007433:Intrauterine Device Expulsion; D007436:Intrauterine Devices, Medicated; D008954:Models, Biological; D009644:Norgestrel; D011247:Pregnancy; D011374:Progesterone / Q000097:blood
chemical_list: D004967:Estrogens; D009644:Norgestrel; D011374:Progesterone