Mackey, D. C., Hubbard, A. E., Cawthon, P. M., Cauley, J. A., Cummings, S. R., & Tager, I. B. (2011). Usual Physical Activity and Hip Fracture in Older Men: An Application of Semiparametric Methods to Observational Data. American Journal of Epidemiology, 173(5), 578. https://doi.org/10.1093/aje/kwq405
Chicago Style (17th ed.) CitationMackey, Dawn C., Alan E. Hubbard, Peggy M. Cawthon, Jane A. Cauley, Steven R. Cummings, and Ira B. Tager. "Usual Physical Activity and Hip Fracture in Older Men: An Application of Semiparametric Methods to Observational Data." American Journal of Epidemiology 173, no. 5 (2011): 578. https://doi.org/10.1093/aje/kwq405.
MLA (9th ed.) CitationMackey, Dawn C., et al. "Usual Physical Activity and Hip Fracture in Older Men: An Application of Semiparametric Methods to Observational Data." American Journal of Epidemiology, vol. 173, no. 5, 2011, p. 578, https://doi.org/10.1093/aje/kwq405.