1. Eymard F, Chevalier X. Pharmacological treatments of knee osteoarthritis. Rev Prat. 2019;69(5):515–9.
2. Kon E, Filardo G, Drobnic M, Madry H, Jelic M, van Dijk N, Della VS. Non-surgical management of early knee osteoarthritis. Knee Surg Sports Traumatol Arthrosc. 2012;20(3):436–49.
3. Mason L, Moore RA, Derry S, Edwards JE, McQuay HJ. Systematic review of topical capsaicin for the treatment of chronic pain. BMJ. 2004;328(7446):991.
4. Kosuwon W, Sirichatiwapee W, Wisanuyotin T, Jeeravipoolvarn P, Laupattarakasem W. Efficacy of symptomatic control of knee osteoarthritis with 0.0125% of capsaicin versus placebo. J Med Assoc Thail. 2010;93(10):1188–95.
5. Balmaceda CM. Evolving guidelines in the use of topical nonsteroidal anti-inflammatory drugs in the treatment of osteoarthritis. BMC Musculoskelet Disord. 2014;15:27.