4) Ulich TR, Lewin KJ: The carcinomacarcinoid spectrum.Edited by Lechargo J, Kameya T Endocrine pathology update.Field & Wood, New York, 1990, p133-150
5) Burke A, Lee YK: Adenocarcinoid (goblet celi carcinoid) of the duodenutt presenting gastric outiet obstruction. Huna Patho1 21: 238-239, 1990