title: Correlation between gastric juice acidity and pepsin activity in the gastric juice as well as the activity of pepsinogen in plasma and urine.
mesh_terms: D000293:Adolescent; D000328:Adult; D002110:Caffeine / Q000494:pharmacology; D004792:Enzyme Precursors / Q000097:blood* / Q000652:urine*; D005260:Female; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000032:analysis*; D006632:Histamine / Q000494:pharmacology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010434:Pepsin A / Q000378:metabolism*; D014443:Tyrosine
chemical_list: D004792:Enzyme Precursors; D002110:Caffeine; D014443:Tyrosine; D006632:Histamine; D010434:Pepsin A