[Peptic ulcer and Zollinger-Ellison syndrome].
D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000097:blood*; D005755:Gastrins / Q000097:blood*; D006801:Humans; D012633:Secretin; D015043:Zollinger-Ellison Syndrome / Q000097:blood*
D005755:Gastrins; D012633:Secretin