• Do hyaluronic acid injections relieve OA knee pain? 

    Das, Anirban; Neher, Jon O.; Safranek, Sarah (Family Physicians Inquiries Network, 2009)
    Hyaluronic acid (HA) injections relieve pain more than placebo. The effect is small but similar to results from oral nonsteroidal anti-inflammatory drugs (NSAIDs) or steroid injection (strength of recommendation ([SOR]: ...