title: [On the presence of placental antigens in the blood of pregnant women].
mesh_terms: D000941:Antigens; D005260:Female; D006801:Humans; D010920:Placenta; D011247:Pregnancy / Q000097:blood; D037841:Pregnant People
chemical_list: D000941:Antigens
keywords: ANTIGENS; PLACENTA; PREGNANCY/blood