title: Immunological factors in first-pregnancy RH isoimmunisation.
mesh_terms: D000017:ABO Blood-Group System; D004899:Erythroblastosis, Fetal / Q000209:etiology; D005260:Female; D006801:Humans; D007114:Immunization; D007231:Infant, Newborn; D007519:Isoantigens; D008297:Male; D010298:Parity; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System; D012744:Sex Ratio
chemical_list: D000017:ABO Blood-Group System; D007519:Isoantigens; D012204:Rh-Hr Blood-Group System