Predictive factors associated with the persistence of chest pain in post-laparoscopic myotomy and fundoplication in patients with achalasia oleh Héctor Olvera-Prado, José Peralta-Figueroa, Sofía Narváez-Chávez, Mario E. Rendón-Macías, Andric Perez-Ortiz, Janette Furuzawa-Carballeda, Silvia Méndez-Flores, María del Carmen Núñez-Pompa, Alonso Trigos-Díaz, Rodrigo Areán-Sanz, Fidel López-Verdugo, Enrique Coss-Adame, Miguel A. Valdovinos, Gonzalo Torres-Villalobos, Gonzalo Torres-Villalobos