AU - Hernandez DC, Francis LA, Doyle EA TI - NAtional school lunch program participation and sex differences in body mass index trajectories of children from low-income families PT - JOUR DP - 2011 TA - Archives of Pediatrics & Adolescent Medicine pages = {346-353}, VI - 165 IP - 4 AID - 10.1001/archpediatrics.2010.253 [doi] 4100 - http://dx.doi.org/10.1001/archpediatrics.2010.253 SO - Archives of Pediatrics & Adolescent Medicine April 1, 2011 165(4):346