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Chan KW, Lee KH, Wong HY, Tsui SY, Wong YS, Pang KY, Mou JW, Tam YH.Chan KW, et al.J Pediatr Surg. 2014 Aug;49(8):1237-41. doi: 10.1016/j.jpedsurg.2013.11.054. Epub 2013 Nov 21.J Pediatr Surg. 2014.PMID: 25092083