TY - JOUR AU - Jang, H W; Lee, K J; Jung, M J TI - Endoscopic papillary large balloon dilatation alone is safe and effective for the treatment of difficult choledocholithiasis in cases of Billroth II gastrectomy: a single center experience JO - Dig Dis Sci VL - 58 PY - 2013 DO - 10.1007/s10620-013-2580-6 L3 - PubMed-ID: 23392745 SP - 1737 EP - 43 N1 - et al. ER -