Eckstein, F., Hitzl, W., Duryea, J., Kwoh, C. K., & Wirth, W. (2013). Baseline and Longitudinal Change in Isometric Muscle Strength Prior to Radiographic Progression in Osteoarthritic and Pre-Osteoarthritic Knees- Data from the Osteoarthritis Initiative.

Eckstein, Felix, Wolfgang Hitzl, Jeff Duryea, C. Kent Kwoh, and Wolfgang Wirth. Baseline and Longitudinal Change in Isometric Muscle Strength Prior to Radiographic Progression in Osteoarthritic and Pre-Osteoarthritic Knees- Data From the Osteoarthritis Initiative. 2013.

Eckstein, Felix, et al. Baseline and Longitudinal Change in Isometric Muscle Strength Prior to Radiographic Progression in Osteoarthritic and Pre-Osteoarthritic Knees- Data From the Osteoarthritis Initiative. 2013.