Zech, A., Steib, S., Freiberger, E., & Pfeifer, K. (2011). Functional muscle power testing in young, middle-aged, and community-dwelling nonfrail and prefrail older adults. Archives of physical medicine and rehabilitation, 92(6), . https://doi.org/10.1016/j.apmr.2010.12.031
Chicago Style (17th ed.) CitationZech, Astrid, Simon Steib, Ellen Freiberger, and Klaus Pfeifer. "Functional Muscle Power Testing in Young, Middle-aged, and Community-dwelling Nonfrail and Prefrail Older Adults." Archives of Physical Medicine and Rehabilitation 92, no. 6 (2011). https://doi.org/10.1016/j.apmr.2010.12.031.
MLA (9th ed.) CitationZech, Astrid, et al. "Functional Muscle Power Testing in Young, Middle-aged, and Community-dwelling Nonfrail and Prefrail Older Adults." Archives of Physical Medicine and Rehabilitation, vol. 92, no. 6, 2011, https://doi.org/10.1016/j.apmr.2010.12.031.