Gastrin.
D000752:Anemia, Pernicious / Q000097:blood; D000818:Animals; D004381:Duodenal Ulcer / Q000097:blood; D005750:Gastric Juice / Q000378:metabolism; D005755:Gastrins / Q000097:blood / Q000378:metabolism; D006801:Humans; D007676:Kidney Failure, Chronic / Q000097:blood; D011863:Radioimmunoassay; D015043:Zollinger-Ellison Syndrome / Q000097:blood
D005755:Gastrins