English Journal

The frequency of gastrointestinal endocrine tumours in a well-defined population--Northern Ireland 1970-1985.

Watson RG1, Johnston CF, O'Hare MM, Anderson JR, Wilson BG, Collins JS, Sloan JM, Buchanan KD.
The Quarterly journal of medicine.Q J Med.1989 Jul;72(267):647-57.
The reported incidence of gastrointestinal endocrine tumours is variable. In Northern Ireland circumstances allowing such an assessment are favourable with a central diagnostic laboratory and register established to collect data on tumours from a well-defined population of 1.5 million people. From 1
PMID 2575263

An neurotensinoma of the head of the pancreas. Demonstration by ultrasound and computed tomography.

Feurle GE, Helmstaedter V, Tischbirek K, Carraway R, Forssmann WG, Grube D, Röher HD.
Digestive diseases and sciences.Dig Dis Sci.1981 Dec;26(12):1125-33.
In a pancreatic adenoma approximately 78.7% of the endocrine cells reacted specifically with antisera to neurotensin, 17.5% to gastrin, 2.8% to pancreatic polypeptide, and 1% to glucagon. The electron microscope revealed that the majority of the endocrine cells were N-cells--morphologically similar
PMID 7307861