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Some of the next articles are maybe not open access.

Paraganglioma of the ampulla of vater: a potentially malignant neoplasm

Scandinavian Journal of Gastroenterology, 2004
exaly  

Tegmen ampullae. A study of the roof of the ampulla.

Advances in oto-rhino-laryngology, 1991
M, Ciges, R, Urquiza
openaire   +1 more source

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