TY - JOUR AU - Navaneethan, U; Hasan, M K; Lourdusamy, V TI - Single-operator cholangioscopy and targeted biopsies in the diagnosis of indeterminate biliary strictures: a systematic review JO - Gastrointest Endosc VL - 82 PY - 2015 DO - 10.1016/j.gie.2015.04.030 L3 - PubMed-ID: 26071061 SP - 608 EP - 614 N1 - et al. ER -