J. P. Toro Vásquez, C. L. Muñoz García, and R. M. Escobar Pérez, “Evaluating the Efficacy and Safety of Laparoscopic Heller Myotomy in Treating Achalasia”, Rev. colomb. Gastroenterol., vol. 38, no. 2, pp. 131–137, Jun. 2023.