1. Arthritis of the knee. American Academy of Orthopaedic Surgeons website. http://orthoinfo.aaos.org/topic.cfm?topic=A00212 Reviewed June 2014. Accessed May 8, 2016.
  2. Hyaluronic Acid Injections for Osteoarthritis. Arthritis Foundation, http://www.arthritis.org/living-with-arthritis/treatments/medication/drug-types/other/hyaluronic-acid-injections.php#.Vy9BRGqEjxk.email Accessed May 8, 2016.
  3. Handout on Health: Osteoarthritis. National Institute of Arthritis and Musculoskeletal and Skin Diseases. National Institute of Health website. NIH Publication No. 15-4617 http://www.niams.nih.gov/Health_Info/Osteoarthritis/default.asp Reviewed April 2015. Accessed May 8, 2016.
  4. Osteoarthritis Causes. Arthritis Foundation, http://www.arthritis.org/about-arthritis/types/osteoarthritis/causes.php#.Vy82MqEFTNA.email Accessed May 8, 2016.
  5. Diagnosing Osteoarthritis, Hospital for Special Surgery, https://www.hss.edu/osteoarthritis-diagnosis.asp#.Vy9SGwTLNKE.email Accessed May 8, 2016.
  6. How is osteoarthritis diagnosed? WebMD, http://www.webmd.com/osteoarthritis/guide/know-if-you-have-osteoarthritis#0 Reviewed by David T. Derrer, MD on January 23, 2016, WebMD, LLC. All rights reserved; accessed May 8, 2016.
  7. Hochberg, MC, Altman, RD, April, KT, Benkhalti, M, Guyatt, G, McGowan, J, Towheed, T, Welch, V, Wells, G and Tugwell, P. (2012), American College of Rheumatology 2012 recommendations for the use of nonpharmacologic and pharmacologic therapies in osteoarthritis of the hand, hip, and knee. Arthritis Care Res, 64: 465–474. doi: 10.1002/acr.21596.
  8. Hinton R, Moody RL, Davis AW, Thomas SF. Osteoarthritis: diagnosis and therapeutic considerations. Am Fam Physician. 2002 Mar 1;65(5):841-8.
  9. Osteoarthritis Treatment, Mayo Clinic. http://www.mayoclinic.org/diseases-conditions/osteoarthritis/diagnosis-treatment/treatment/txc-20198275 Accessed May 8, 2016.
  10. Guidelines Can Help Doctors Choose the Best OA Treatments, Arthritis Foundation. http://www.arthritis.org/about-arthritis/types/osteoarthritis/articles/acr-treatment-recommendations-oa.php#.Vy9aNnKauw4.email.
  11. GELSYN-3 [package insert]. Durham, NC: Bioventus LLC; 2015