title: [Endoscopic submucosal dissection of a colonic tubulovillous adenoma with high grade dysplasia].
authors: Departamento de Gastroenterología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán. matanimoto@hotmail.com
authors: M A
authors: MA
authors: Tanimoto
authors: G
authors: G
authors: Torres-Villalobos
authors: J
authors: J
authors: Albores-Saavedra