Management of Malignant Stricture of the Esophagogastric Junction with a Newly Designed Self-Expanding Metal Stent with an Antireflux Mechanism - Shim, C S; Jung, I S; Cheon, Y K; Ryu, C B; Hong, S J; Kim, J O; Cho, J Y; Lee, J S; Lee, M S; Kim, B S (Endoscopy, 2005)