Nicholls, M., Manjoo, A., Shaw, P., Niazi, F., & Rosen, J. Rheological Properties of Commercially Available Hyaluronic Acid Products in the United States for the Treatment of Osteoarthritis Knee Pain. Clinical Medicine Insights. Arthritis and Musculoskeletal Disorders, 11, 1179544117751622. https://doi.org/10.1177/1179544117751622 (Original work published 2018)