title: In vitro systems for the study of human placental endocrine function.
authors.affiliation: Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia 19104.
authors.forename: G E
authors.initials: GE
authors.lastname: Ringler
authors.forename: J F
authors.initials: JF
authors.lastname: Strauss
mesh_terms: D000818:Animals; D002471:Cell Transformation, Neoplastic; D002478:Cells, Cultured; D002822:Choriocarcinoma; D046508:Culture Techniques; D004702:Endocrine Glands / Q000502:physiology*; D005260:Female; D006801:Humans; D009924:Organ Culture Techniques; D010920:Placenta / Q000098:blood supply / Q000502:physiology*; D010929:Placentation; D011247:Pregnancy; D014327:Trophoblasts / Q000166:cytology / Q000502:physiology; D014407:Tumor Cells, Cultured