TY - GEN AU - Lightdale,Charles J TI - Gastrointestinal Endoscopy Clinics of North America. Endolumenal therapy. Foreword SN - 1558-1950 PY - 2013///0604 KW - Endoscopy, Gastrointestinal KW - Humans N1 - Publication Type: Introductory Journal Article UR - https://doi.org/10.1016/j.giec.2012.11.001 ER -