title: Natural occurrence of human tumor-associated anti-fetal antibodies during normal pregnancy.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000918:Antibody Specificity; D000951:Antigens, Neoplasm; D005260:Female; D005333:Fetus / Q000276:immunology*; D006801:Humans; D007743:Labor, Obstetric; D008099:Liver / Q000196:embryology; D051379:Mice; D011247:Pregnancy
chemical_list: D000951:Antigens, Neoplasm