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APA Citation
Graves, L., Stratton, G., Ridgers, N. D., & Cable, N. T. (2007). comparison of energy expenditure in adolescents when playing new generation and sedentary computer games: cross sectional study. BMJ, 335(7633), 1282–1284. http://access.bl.uk/ark:/81055/vdc_100180531437.0x000024