{{Cite journal| doi = 10.1136/bcr-2012-007217| issn = 1757-790X (Electronic) 1757-790X (Linking)| volume = 2013| last1 = Simion| first1 = N. I.| last2 = Muntean| first2 = V.| last3 = Fabian| first3 = O.| title = Current state of knowledge on neuroendocrine small bowel tumours: non-systematic review of the literature based on one case| journal = BMJ Case Rep| date = 2013-01-19| pmid = 23329706}}