A descriptive study of youth risk behavior in urban and rural secondary school students in El Salvador by Kelder Steven H, Selwyn BJ, Springer Andrew E

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Social support, physical activity and sedentary behavior among 6^th-grade girls: a cross-sectional study by Hoelscher Deanna M, Kelder Steven H, Springer Andrew E

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Increasing physical activity and decreasing sedentary activity in adolescent girls - The Incorporating More Physical Activity and Calcium in Teens (IMPACT) study by Hergenroeder Albert, Kelder Steven H, Hoelscher Deanna M, Jones Desiree, Sharma Shreela V

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Crime rates and sedentary behavior among 4^thgrade Texas school children by Hoelscher Deanna M, Mirchandani Gita G, Pérez Adriana, Brown H Shelton, Kelder Steven H

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The cost-effectiveness of a school-based overweight program by Hoelscher Deanna M, Li Yen-Peng, Pérez Adriana, Brown Henry Shelton, Kelder Steven H, Rivera Roberto

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