The relation between secretor--ABO interactions and the maintenance of the ABO polymorphism.
D000017:ABO Blood-Group System / Q000378:metabolism*; D001789:Blood Group Antigens; D005260:Female; D006801:Humans; D008297:Male; D011110:Polymorphism, Genetic; D012463:Saliva; D012641:Selection, Genetic
D000017:ABO Blood-Group System; D001789:Blood Group Antigens