title: Percutaneous transhepatic venous sampling of gastrin.
mesh_terms: D001800:Blood Specimen Collection; D005755:Gastrins / Q000097:blood*; D006801:Humans; D009377:Multiple Endocrine Neoplasia / Q000175:diagnosis; D010190:Pancreatic Neoplasms / Q000175:diagnosis; D014680:Veins; D015043:Zollinger-Ellison Syndrome / Q000175:diagnosis
chemical_list: D005755:Gastrins