ABO incompatibility: racial difference in frequency of manifestations.
D000017:ABO Blood-Group System; D000483:Alleles; D044383:Black People; D001787:Blood Group Incompatibility / Q000235:genetics*; D003298:Coombs Test; D004899:Erythroblastosis, Fetal / Q000453:epidemiology / Q000209:etiology; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D044465:White People
D000017:ABO Blood-Group System