IJHG

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Using GPS-enabled cell phones to track the travel patterns of adolescents

Sarah E Wiehe*, Aaron E Carroll, Gilbert C Liu, Kelly L Haberkorn, Shawn C Hoch, Jeffery S Wilson and J Dennis Fortenberry

International Journal of Health Geographics 2008, 7:22 doi:10.1186/1476-072X-7-22

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