1. Albores-Saavedra J, Larraza O, Poucell S, Rodriguez Martinez H. Carcinoid of the uterine cervix: additional observations on a new tumor entity. Cancer. 1976;38:2328–42.
2. Albores-Saavedra J, Gersell D, Gilks CB, Henson DE, Lindberg G, Santiago H, et al. Terminology of endocrine tumors of the uterine cervix: results of a workshop sponsored by the College of American Pathologists and the National Cancer Institute. Arch Pathol Lab Med. 1997;121:34–9.
3. Rindi G, Capella C Solcia E. Introduction to a revised clinicopathological classification of neuroendocrine tumors of the gastroenteropancreatic tract. Q J Nucl Med. 2000;44(1):13–21.
4. Klöppel G, Perren A, Heitz PU. The gastroenteropancreatic neuroendocrine cell system and its tumors: the WHO classification. Ann N Y Acad Sci. 2004;1014:13–27.
5. Ramage JK, Davies AH, Ardill J, Bax N, Caplin M, Grossman A, et al. Guidelines for the management of gastroenteropancreatic neuroendocrine (including carcinoid) tumours. Gut. 2005;54 Suppl 4:v1–16.