Digital SpyGlass Cholangioscopy Confirmed Common Bile Duct Stones Clearance Without Fluoroscopy: 5. (October 2016) - Luangsukrerk, Thanawat; Ridtitid, Wiriyaporn; Angsuwatcharakon, Phonthep; Kongkam, Pradermchai; Rerknimitr, Rungsun