Berkson, Eric M.; Nolan, David; Fleming, Kristina; Spang, Robert; Wong, Jeff; Asnis, Peter; Kawadler, Jaeson (2016-01-01), Magee, David J.; Zachazewski, James E.; Quillen, William S.; Manske, Robert C. (eds.), "Knee", Pathology and Intervention in Musculoskeletal Rehabilitation (Second Edition), W.B. Saunders, pp. 713–773, doi:10.1016/b978-0-323-31072-7.00020-8, ISBN978-0-323-31072-7, retrieved 2021-03-02
Berkson, Eric M.; Nolan, David; Fleming, Kristina; Spang, Robert; Wong, Jeff; Asnis, Peter; Kawadler, Jaeson (2016-01-01), Magee, David J.; Zachazewski, James E.; Quillen, William S.; Manske, Robert C. (eds.), "Knee", Pathology and Intervention in Musculoskeletal Rehabilitation (Second Edition), W.B. Saunders, pp. 713–773, doi:10.1016/b978-0-323-31072-7.00020-8, ISBN978-0-323-31072-7, retrieved 2021-03-02