Through-the-Scope Double Colonic Stenting in the Management of Inoperable Proximal Malignant Colonic Obstruction: a Pilot Study - Shim, C S; Cho, J Y; Jung, I S; Ryu, C B; Hong, S J; Kim, J -O; Lee, J S; Lee, M S; Kim, B S (Endoscopy, 2004)