[Observations on blood group distribution in the population of Varese (A-1 and A-2 subgroups)].
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D006801:Humans; D017860:Nepovirus; D044382:Population Groups
D000017:ABO Blood-Group System; D001789:Blood Group Antigens
ABO FACTORS