Which is better for esophageal substitution in children, esophagocoloplasty or gastric transposition? A 27-year experience of a single center - Tannuri, Uenis; Maksoud-Filho, João Gilberto; Tannuri, Ana Cristina Aoun; Andrade, Wagner; Maksoud, João Gilberto (Journal of Pediatric Surgery, 2007)