Short-term efficacy of physical interventions in osteoarthritic knee pain. A systematic review and meta-analysis of randomised placebo-controlled trials-6
<p><b>Copyright information:</b></p><p>Taken from "Short-term efficacy of physical interventions in osteoarthritic knee pain. A systematic review and meta-analysis of randomised placebo-controlled trials"</p><p>http://www.biomedcentral.com/1471-2474/8/51</p><p>BMC Musculoskeletal Disorders 2007;8():51-51.</p><p>Published online 22 Jun 2007</p><p>PMCID:PMC1931596.</p><p></p> sample size is related to the y-axis
