AU - Fakhouri TI, Hughes JP, Brody DJ, Kit BK, Ogden CL TI - PHysical activity and screen-time viewing among elementary school–aged children in the united states from 2009 to 2010 PT - JOUR DP - 2013 TA - JAMA Pediatrics pages = {223-229}, VI - 167 IP - 3 AID - 10.1001/2013.jamapediatrics.122 [doi] 4100 - http://dx.doi.org/10.1001/2013.jamapediatrics.122 SO - JAMA Pediatrics March 1, 2013 167(3):223