title: Gastrointestinal Endoscopy Clinics of North America. Endolumenal therapy. Foreword.
authors.affiliation: Department of Medicine, Columbia University Medical Center, New York, NY 10032, USA. CJL18@columbia.edu
authors.forename: Charles J
authors.initials: CJ
authors.lastname: Lightdale
mesh_terms: D016099:Endoscopy, Gastrointestinal; D006801:Humans