Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Nov 21, 2012; 18(43): 6284-6289
Published online Nov 21, 2012. doi: 10.3748/wjg.v18.i43.6284
Figure 1
Figure 1 Flow chart of the enrolled patients. ASA grade: American Society of Anesthesiologists Physical Status Classification; BIS: Bispectral index; CBD: Common bile duct; ERCP: Endoscopic retrograde cholangiopancreatography; IPMN: Intraductal papillary mucinous neoplasm.