title: Embryonic Rhesus-positive red cells stimulating a secondary response after early abortion.
mesh_terms: D000022:Abortion, Spontaneous / Q000276:immunology*; D000328:Adult; D000917:Antibody Formation; D005260:Female; D005333:Fetus / Q000276:immunology*; D006801:Humans; D007156:Immunologic Memory; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System / Q000276:immunology*
chemical_list: D012204:Rh-Hr Blood-Group System