1. Abel, E. L., & Kruger, M. L. (2006). The healthy worker effect in major league baseball revisited. Research in Sports Medicine, 14, 83–87.
2. Arias, E. Heron, M., & Xu, J. (2016). United States life tables, 2012. National Vital Statistics Report, 65(8). Retrieved from
https://www.cdc.gov/nchs/data/nvsr/nvsr65/nvsr65_08.pdf
.
3. Baron, S., & Rinsky, R. (1994). Health hazard evaluation report, National Football League players mortality study. Report No. HETA 88–085. Atlanta, GA: Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health. Retrieved from
http://www.cdc.gov/niosh/pdfs/nflfactsheet.pdf
.
4. Baron, S. L., Hein, M. J., Lehman, E., & Gersic, C. M. (2012). Body mass index, playing position, race, and the cardiovascular mortality of retired professional football players. American Journal of Cardiology, 109, 889–896.
5. Clarke, P. M., Walter, S. J., Hayen, A., Mallon, W. J., Heijmans, J., & Studdert, D. M. (2012). Survival of the fittest: Retrospective cohort study of the longevity of Olympic medalists in the modern era. British Medical Journal, 345, e8308.