APA

Navaneethan U., Hasan M. K., Lourdusamy V., Njei B., Varadarajulu S. & Hawes R. H. (20160622). Single-operator cholangioscopy and targeted biopsies in the diagnosis of indeterminate biliary strictures: a systematic review. : Gastrointestinal endoscopy.

Chicago

Navaneethan Udayakumar, Hasan Muhammad K, Lourdusamy Vennisvasanth, Njei Basile, Varadarajulu Shyam and Hawes Robert H. 20160622. Single-operator cholangioscopy and targeted biopsies in the diagnosis of indeterminate biliary strictures: a systematic review. : Gastrointestinal endoscopy.

Harvard

Navaneethan U., Hasan M. K., Lourdusamy V., Njei B., Varadarajulu S. and Hawes R. H. (20160622). Single-operator cholangioscopy and targeted biopsies in the diagnosis of indeterminate biliary strictures: a systematic review. : Gastrointestinal endoscopy.

MLA

Navaneethan Udayakumar, Hasan Muhammad K, Lourdusamy Vennisvasanth, Njei Basile, Varadarajulu Shyam and Hawes Robert H. Single-operator cholangioscopy and targeted biopsies in the diagnosis of indeterminate biliary strictures: a systematic review. : Gastrointestinal endoscopy. 20160622.