[Variant A1-Oh].
D000017:ABO Blood-Group System; D000752:Anemia, Pernicious / Q000628:therapy; D000941:Antigens; D001789:Blood Group Antigens; D001803:Blood Transfusion; D003604:Czechoslovakia; D004912:Erythrocytes / Q000032:analysis; D005826:Genetics, Medical; D005838:Genotype; D006386:Hemagglutination Tests; D006801:Humans; D008297:Male; D008875:Middle Aged; D010641:Phenotype / Q000145:classification*
D000017:ABO Blood-Group System; D000941:Antigens; D001789:Blood Group Antigens
Variant A1-Oh.