[Weak variants of the A-agglutinogenic complex].
D000017:ABO Blood-Group System; D000483:Alleles; D000941:Antigens / Q000032:analysis* / Q000145:classification; D002031:Bulgaria; D014644:Genetic Variation; D006801:Humans
D000017:ABO Blood-Group System; D000941:Antigens
Slabye varianty A-aggliutinogennogo kompleksa.