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Peñaranda A, Aristizabal G, García E, Vásquez C, Rodríguez-Martinez CE.Peñaranda A, et al.Int J Pediatr Otorhinolaryngol. 2012 Apr;76(4):530-5. doi: 10.1016/j.ijporl.2012.01.010. Epub 2012 Jan 31.Int J Pediatr Otorhinolaryngol. 2012.PMID: 22301354