|literature search = [http://www.cabdirect.org/search.html?start=10&q=%28%28title%3A%28%22Zollinger+Ellison%22%29%29%29+OR+%28%28title%3A%28gastrinoma%29%29%29&fq=sc%3A%22ve%22 Gastrinoma publications] | |literature search = [http://www.cabdirect.org/search.html?start=10&q=%28%28title%3A%28%22Zollinger+Ellison%22%29%29%29+OR+%28%28title%3A%28gastrinoma%29%29%29&fq=sc%3A%22ve%22 Gastrinoma publications] |