【篇号】1
【作者】Osanai M, Itoi T, Igarashi Y, etal.
【文章标题】Peroral video cholangioscopy to evaluate indeterminate bile duct lesions and preoperative mucosal cancerous extension: a prospective multicenter study.
【期刊名,年份,卷(期),起止页*****】Endoscopy. 2013;45:635–642.