title: [Immunological study on the human placenta, with special reference to its antigenic features].
mesh_terms: D000818:Animals; D000941:Antigens / Q000032:analysis*; D005260:Female; D006386:Hemagglutination Tests; D006801:Humans; D006828:Hydatidiform Mole / Q000276:immunology; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D010920:Placenta / Q000276:immunology*; D010924:Placental Extracts; D011247:Pregnancy; D011817:Rabbits
chemical_list: D000941:Antigens; D010924:Placental Extracts