title: Rhesus isoimmunization and twins.
mesh_terms: D000328:Adult; D004200:Diseases in Twins; D004899:Erythroblastosis, Fetal; D005260:Female; D005313:Fetal Death / Q000209:etiology; D006801:Humans; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System
chemical_list: D012204:Rh-Hr Blood-Group System