van Lennep, Johan (Hans) Peter Alexander (author), Trossèl, Faye (author), Perez, Roberto Silvio Giovanni Maria (author), Otten, René Hubert Joseph (author), van Middendorp, Henriët (author), Evers, A.W.M. (author), Szadek, Karolina Maria (author) Background and Objective: The current treatments of primary musculoskeletal low back pain (LBP) have a low to moderate efficacy, which might be improved by looking at the contribution of placebo effects. However, the size of true placebo effects in LBP is unknown. Therefore, a systematic review and meta-analysis were executed of randomized...
review 2021
