BLOOD PEPSIN AS MARKER OF SUSCEPTIBILITY  TO DUODENAL ULCER DISEASE.
D015415:Biomarkers; D001769:Blood; D001789:Blood Group Antigens; D004198:Disease Susceptibility; D004381:Duodenal Ulcer; D005826:Genetics, Medical; D010434:Pepsin A; D013223:Statistics as Topic
D015415:Biomarkers; D001789:Blood Group Antigens; D010434:Pepsin A
BLOOD; BLOOD GROUPS; DUODENAL ULCER; GENETICS, HUMAN; PEPSIN; STATISTICS