title: Inhibition of human placental progesterone synthesis by estranes: a novel relationship of structure to activity.
mesh_terms: D004967:Estrogens / Q000494:pharmacology*; D005260:Female; D006801:Humans; D007700:Kinetics; D008958:Models, Molecular; D010920:Placenta / Q000187:drug effects / Q000378:metabolism*; D011247:Pregnancy; D011284:Pregnenolone / Q000494:pharmacology; D011374:Progesterone / Q000096:biosynthesis*; D013329:Structure-Activity Relationship
chemical_list: D004967:Estrogens; D011374:Progesterone; D011284:Pregnenolone