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APA Citation
Martinez-Gomez, D., Ortega, F. B., Ruiz, J. R., Vicente-Rodriguez, G., Veiga, O. L., Widhalm, K., Manios, Y., Béghin, L., Valtueña, J., Kafatos, A., Molnar, D., Moreno, L. A., Marcos, A., Castillo, M. J., Sjöström, M., & , (2011). excessive sedentary time and low cardiorespiratory fitness in European adolescents: the HELENA study. Archives of disease in childhood, 96(3), 240–246. http://access.bl.uk/ark:/81055/vdc_100137795437.0x000051