TY - JOUR A1 - Gordon-Larsen, P. A1 - Nelson, M.C. A1 - Page, P. A1 - Popkin, B.M. T1 - Inequality in the built environment underlies key health disparities in physical activity and obesity Y1 - 2006 DO - 10.1542/peds.2005-0058 JF - Pediatrics VL - 117 IS - 2 SP - 417 EP - -424 ER -