Comment on

• Severe knee osteoarthritis: a randomized controlled trial of acupuncture, physiotherapy (supervised exercise) and standard management for patients awaiting knee replacement.

  Williamson L, Wyatt MR, Yein K, Melton JT. Williamson L, et al. Rheumatology (Oxford). 2007 Sep;46(9):1445-9. doi: 10.1093/rheumatology/kem119. Epub 2007 Jun 29. Rheumatology (Oxford). 2007. PMID: 17604311 Clinical Trial.