AU - van der Aa N, Bartels M, te Velde SJ, Boomsma DI, de Geus EC, Brug J TI - Genetic and environmental influences on individual differences in sedentary behavior during adolescence: A twin-family study PT - JOUR DP - 2012 TA - Archives of Pediatrics & Adolescent Medicine pages = {509-514}, VI - 166 IP - 6 AID - 10.1001/archpediatrics.2011.1658 [doi] 4100 - http://dx.doi.org/10.1001/archpediatrics.2011.1658 SO - Archives of Pediatrics & Adolescent Medicine June 1, 2012 166(6):509