Ampullary somatostatinoma: psammomatous variant of gastrointestinal carcinoid tumor--an immunohistochemical and ultrastructural study. Report of a case and review of the literature.
Marcial MA, Pinkus GS, Skarin A, Hinrichs HR, Warhol MJ. Ampullary somatostatinoma: psammomatous variant of gastrointestinal carcinoid tumor--an immunohistochemical and ultrastructural study. Report of a case and review of the literature. Am J Clin Pathol. 1983 Nov; 80(5):755-61.