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Gordon KA, Daya H, Harrison RV, Papsin BC.Gordon KA, et al. Among authors: papsin bc.Int J Pediatr Otorhinolaryngol. 2000 Dec 1;56(2):101-11. doi: 10.1016/s0165-5876(00)00400-6.Int J Pediatr Otorhinolaryngol. 2000.PMID: 11115683Clinical Trial.