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[Laparoscopic Heller myotomy for esophageal achalasia].
Ibáñez L, Butte JM, Pimentel F, Escalona A, Pérez G, Crovari F, Guzmán S, Llanos O. Ibáñez L, et al. Rev Med Chil. 2007 Apr;135(4):464-72. doi: 10.4067/s0034-98872007000400008. Epub 2007 May 16. Rev Med Chil. 2007. PMID: 17554455 Free article. Spanish.
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