title: Letter: Zollinger-Ellison syndrome: calcium, secretin, gastrin.
mesh_terms: D002116:Calcitonin / Q000627:therapeutic use; D002118:Calcium; D005755:Gastrins / Q000097:blood*; D013007:Growth Hormone-Releasing Hormone / Q000037:antagonists & inhibitors; D006801:Humans; D010455:Peptides / Q000627:therapeutic use; D012633:Secretin; D015043:Zollinger-Ellison Syndrome / Q000378:metabolism*
chemical_list: D005755:Gastrins; D010455:Peptides; D012633:Secretin; D002116:Calcitonin; D013007:Growth Hormone-Releasing Hormone; D002118:Calcium