[Frequency of blood groups: ABO, Rh-Hr and Du factor].
D000017:ABO Blood-Group System / Q000235:genetics*; D001118:Argentina; D005260:Female; D006801:Humans; D007199:Indians, South American; D011247:Pregnancy / Q000097:blood*; D012204:Rh-Hr Blood-Group System / Q000235:genetics*
D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System
Frecuencia de grupos sanguíneos: ABO, sistema Rh-Hr Y factor Du.