@article{3da7b11e3dc64a0693f073aee3cfc164,
title = "Carcinoid tumor of the ampulla of Vater presenting with biliary obstruction: report of four cases",
author = "Mulder, \{C. J.\} and Festen, \{H. P.\} and Mertens, \{J. C.\} and K. Huibregtse and Meuwissen, \{S. G.\} and Reeders, \{J. W.\} and Tytgat, \{G. N.\}",
year = "1987",
doi = "10.1016/S0016-5107(87)71648-4",
language = "English",
volume = "33",
pages = "385--387",
journal = "Gastrointestinal endoscopy",
issn = "0016-5107",
publisher = "Mosby Inc.",
number = "5",
}