The ability to secrete ABH antigen in the saliva and its relation to the Gc serum system.
D000017:ABO Blood-Group System / Q000378:metabolism*; D001789:Blood Group Antigens; D005260:Female; D005787:Gene Frequency; D005826:Genetics, Medical; D006801:Humans; D008297:Male; D012463:Saliva / Q000276:immunology
D000017:ABO Blood-Group System; D001789:Blood Group Antigens