a negative capsule endoscopy in patients with obscuregastrointestinal bleeding (OGIB) and the risk factorsassociated with the procedure.METHODS: Patients referred
Endoscopic therapies for lesions of the duodenumare technically more difficult than those for lesionsof the other parts of the gastrointestinal tract due tothe
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In the majority of cases, duodenal papillary tumorsare adenomas or adenocarcinomas, but the endoscopybiopsy shows low accuracy to make the correct differentiati