The role of automated blood grouping as an information retrieval system.
D000017:ABO Blood-Group System / Q000032:analysis; D001331:Automation; D001789:Blood Group Antigens; D006801:Humans; D007256:Information Systems; D008887:Military Medicine; D012204:Rh-Hr Blood-Group System / Q000032:analysis; D014481:United States
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System