Livaditis' Circular Myotomy Does Not Decrease Anastomotic Leak Rates and Induces Deleterious Changes in Anastomotic Healing - Tannuri, U; Teodoro, W R; de Santana Witzel, S; Tannuri, A C A; Lupinacci, R M; Matsunaga, P; Matsumura, N; Naufal, R R (European Journal of Pediatric Surgery, 2003)