title: [Antiprogestagens].
authors: Academisch Ziekenhuis, afd. Obstetrie, Leiden.
authors: M J
authors: MJ
authors: Keirse
mesh_terms: D000028:Abortion, Induced; D003280:Contraceptives, Oral, Synthetic / Q000008:administration & dosage; D005260:Female; D006801:Humans; D011247:Pregnancy; D011374:Progesterone / Q000037:antagonists & inhibitors* / Q000096:biosynthesis; D011980:Receptors, Progesterone / Q000037:antagonists & inhibitors
chemical_list: D003280:Contraceptives, Oral, Synthetic; D011980:Receptors, Progesterone; D011374:Progesterone
vernacular_title: Antiprogestagenen.