RT Journal A1 Turner L, Chaloupka FJ T1 WIde availability of high-calorie beverages in us elementary schools JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2011 FD March 1 VO 165 IS 3 SP 223 OP 228 DO 10.1001/archpediatrics.2010.215 UL http://dx.doi.org/10.1001/archpediatrics.2010.215 AB