A prospective study of gastric carcinoids and enterochromaffin-like cell changes in multiple endocrine neoplasia type 1 and Zollinger-Ellison syndrome: identification of risk factors - Berna, M J; Annibale, B; Marignani, M (The Journal of clinical endocrinology and metabolism, 2008)
. doi:10.1210/jc.2007-2279