Knapik, J. J., Steelman, R. A., Hoedebecke, S. S., Austin, K. G., Farina, E. K., & Lieberman, H. R. (2015). Prevalence of Dietary Supplement Use by Athletes: Systematic Review and Meta-Analysis. Sports Med.

Knapik, Joseph J., Ryan A. Steelman, Sally S. Hoedebecke, Krista G. Austin, Emily K. Farina, and Harris R. Lieberman. "Prevalence of Dietary Supplement Use By Athletes: Systematic Review and Meta-Analysis." Sports Med 2015.

Knapik, Joseph J., et al. "Prevalence of Dietary Supplement Use By Athletes: Systematic Review and Meta-Analysis." Sports Med 2015.