The blood groups and secretor types in five potentially fatal diseases of Caucasian children.
D000017:ABO Blood-Group System; D001172:Arthritis, Rheumatoid / Q000453:epidemiology; D001789:Blood Group Antigens; D002648:Child; D002675:Child, Preschool; D005060:Europe; D005061:Europe, Eastern; D006330:Heart Defects, Congenital / Q000453:epidemiology; D006801:Humans; D006849:Hydrocephalus / Q000453:epidemiology; D007938:Leukemia / Q000453:epidemiology; D009393:Nephritis / Q000453:epidemiology; D009401:Nephrosis / Q000453:epidemiology; D044465:White People
D000017:ABO Blood-Group System; D001789:Blood Group Antigens