L Ibáñez, JM Butte, F Pimentel, A Escalona… - Revista médica de …, 2007 - SciELO Chile
IBANEZ, Luis et al. Laparoscopic Heller myotomy for esophageal achalasia. Rev. méd. Chile
[online]. 2007, vol. 135, n. 4, pp. 464-472. ISSN 0034-9887. http://dx. doi. org/10.4067/S0034 …