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El-Chammas K, Majeskie A, Simpson P, Sood M, Miranda A.El-Chammas K, et al. Among authors: simpson p.J Pediatr. 2013 Apr;162(4):783-7. doi: 10.1016/j.jpeds.2012.09.014. Epub 2012 Oct 12.J Pediatr. 2013.PMID: 23069193