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Kil TH, Han JY, Kim JB, Ko GO, Lee YH, Kim KY, Lim JW.Kil TH, et al. Among authors: lim jw.Korean J Pediatr. 2011 Feb;54(2):69-78. doi: 10.3345/kjp.2011.54.2.69. Epub 2011 Feb 28.Korean J Pediatr. 2011.PMID: 21503200Free PMC article.