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APA Citation
Ross, R., Blair, S. N., Godwin, M., Hotz, S., Katzmarzyk, P. T., Lam, M., Lévesque, L., & MacDonald, S. (2009). prevention and Reduction of Obesity through Active Living (PROACTIVE): rationale, design and methods. British journal of sports medicine, 43(1), 57–63. http://access.bl.uk/ark:/81055/vdc_100130163356.0x00004b