3ZOEPF T,ZOEPF DS,ARNOLD JC,et al. The relationship be-tween juxtapapillary duodenal diverticula and disorders of the bilio-pancreatic system: analysis of 350 patients [J]. Gastrointest En-dosc,2001,54( 1) : 56 - 61.
4MADCSY L,KURUCSAI G,FEJES R,et al. Prophylactic pan-creas stenting followed by needle - knife fistulotomy in patients withsphincter of oddi dysfunction and difficult cannulation: new methodto prevent post - ERCP pancreatitis[J]. Dig Endosc,2009,21( 21) : 8 - 13.