Comparative effectiveness of biliary brush cytology and intraductal biopsy for detection of malignant biliary strictures: a systematic review and meta-analysis

Authors: Udayakumar Navaneethan, Basile Njei, Vennisvasanth Lourdusamy, Venkata Rajesh Konjeti, John J. Vargo, Mansour A. Parsi - Gastrointestinal Endoscopy 2014 cited by 518