TY - JOUR AU - Hartman, D J; Slivka, A; Giusto, D A TI - Tissue yield and diagnostic efficacy of fluoroscopic and cholangioscopic techniques to assess indeterminate biliary strictures JO - Clin Gastroenterol Hepatol VL - 10 PY - 2012 DO - 10.1016/j.cgh.2012.05.025 L3 - PubMed-ID: 22677575 SP - 1042 EP - 1046 N1 - et al. ER -