Bracken, R., Gray, B. J., Stephens, J. W., Thomas, M., Williams, S. P., & Davies, C. A. (2017). Role of cardiorespiratory fitness in lifetime cardiovascular risk prediction models: A cross-sectional analysis. The Lancet, 390, p. S40. doi:10.1016/S0140-6736(17)32975-6

Bracken, Richard, Benjamin J. Gray, Jeffrey W. Stephens, Michael Thomas, Sally P. Williams, and Christine A. Davies. "Role of Cardiorespiratory Fitness in Lifetime Cardiovascular Risk Prediction Models: A Cross-sectional Analysis." The Lancet 390 (2017): S40.

Bracken, Richard, et al. "Role of Cardiorespiratory Fitness in Lifetime Cardiovascular Risk Prediction Models: A Cross-sectional Analysis." The Lancet 390 (2017): S40.