Boreham, C., Robson, P. J., Gallagher, A. M., Cran, G. W., Savage, J. M., & Murray, L. J. (2004). Tracking of physical activity, fitness, body composition and diet from adolescence to young adulthood: The Young Hearts Project, Northern Ireland. BioMed Central.

Boreham, Colin, Paula J. Robson, Alison M. Gallagher, Gordon W. Cran, J Maurice Savage, and Liam J. Murray. Tracking of Physical Activity, Fitness, Body Composition and Diet From Adolescence to Young Adulthood: The Young Hearts Project, Northern Ireland. BioMed Central, 2004.

Boreham, Colin, et al. Tracking of Physical Activity, Fitness, Body Composition and Diet From Adolescence to Young Adulthood: The Young Hearts Project, Northern Ireland. BioMed Central, 2004.