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Bartick M, Stuebe A, Shealy KR, Walker M, Grummer-Strawn LM.Bartick M, et al. Among authors: shealy kr.Pediatrics. 2009 Oct;124(4):e793-802. doi: 10.1542/peds.2009-0430. Epub 2009 Sep 14.Pediatrics. 2009.PMID: 19752082Review.