The relationship between blood pepsin level, ABO blood group, and secretor status.
D001789:Blood Group Antigens; D005750:Gastric Juice / Q000737:chemistry*; D006801:Humans; D010434:Pepsin A / Q000097:blood*
D001789:Blood Group Antigens; D010434:Pepsin A
BLOOD GROUPS; GASTRIC JUICE/chemistry; PEPSINS/blood