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Dowda M, Pfeiffer KA, Brown WH, Mitchell JA, Byun W, Pate RR.Dowda M, et al. Among authors: mitchell ja.Arch Pediatr Adolesc Med. 2011 Oct;165(10):939-44. doi: 10.1001/archpediatrics.2011.84. Epub 2011 Jun 6.Arch Pediatr Adolesc Med. 2011.PMID: 21646573