Sánchez , A. , Rodriguez, O. , Nakhal , E. , Louis , C. , Vegas , L. , Salamó , O. , Rosciano , J. , Bandres , M.V. and Medina , M. 2020. HELLER’S MYOTOMY ASSISTED BY ROBOT VS LAPAROSCOPIC HELLER’S MYOTOMY FOR THE TREATMENT OF ACHALASIA. REVISTA VENEZOLANA DE CIRUGÍA . 65, 2 (Mar. 2020), 39–43.