Gastrointestinal Endoscopy publishes original, peer-reviewed articles on endoscopic procedures used in the study, diagnosis, and treatment of digestive diseases. Articles report on outcomes research, prospective studies, and controlled trials of new endoscopic instruments and treatment methods. All endoscopic photographs are in color. Gastrointestinal Endoscopy has become the international forum for the newest developments in the specialty, bringing readers challenging reports from leading authorities throughout the world. The journal regularly publishes abstracts of important articles from other leading clinical publications, complete with commentaries from a panel of experts. The official publication of the American Society for Gastrointestinal Endoscopy,, Gastrointestinal Endoscopy ranks in the top 4% of the 4,779 scientific journals ranked by impact factor. (Science Citation Index).