Comparison of Various Submucosal Injection Solutions for Maintaining Mucosal Elevation During Endoscopic Mucosal Resection - Fujishiro, M; Yahagi, N; Kashimura, K; Mizushima, Y; Oka, M; Enomoto, S; Kakushima, N; Kobayashi, K; Hashimoto, T; Iguchi, M; Shimizu, Y; Ichinose, M; Omata, M (Endoscopy, 2004)