title: The pregnancy protecting effect of progesterone against human chorionic gonadotrophin challenge in mares.
authors.forename: W E
authors.initials: WE
authors.lastname: Allen
mesh_terms: D000019:Abortifacient Agents; D000028:Abortion, Induced; D000830:Animals, Laboratory; D001695:Biology; D006063:Chorionic Gonadotropin; D004703:Endocrine System; D005193:Family Planning Services; D006062:Gonadotropins; D006728:Hormones; D010827:Physiology; D011374:Progesterone; D011372:Progestins; D012106:Research
chemical_list: D000019:Abortifacient Agents; D006063:Chorionic Gonadotropin; D006062:Gonadotropins; D006728:Hormones; D011372:Progestins; D011374:Progesterone
keywords: Abortifacient Agents; Abortion, Drug Induced; Abortion, Induced; Animals, Laboratory; Biology; Clinical Research; Endocrine System; Family Planning; Fertility Control, Postconception; Gonadotropins; Gonadotropins, Chorionic--administraction and dosage; Gonadotropins, Chorionic--side effects; Hormones; Physiology; Progestational Hormones; Progesterone--administraction and dosage; Progesterone--therapeutic use; Research Methodology