35
Participants
Start Date
July 31, 2011
Primary Completion Date
December 31, 2014
Study Completion Date
December 31, 2014
7-Fr Pigtail type naso-cholecystic drainage tube (Liguory nasal biliary drainage set; Wilson-Cook Medical, Salem, NC, USA)
Endoscopic
7-Fr double pigtail plastic stent (Zimmon; Wilson-Cook Medical, Salem, NC, USA)
Ajou University Hospital, Suwon
Ajou University School of Medicine
OTHER