Hohenschurz-Schmidt D, Phalip J, Chan J, et al. 2024
Placebo analgesia in physical and psychological interventions: Systematic review and meta-analysis of three-armed trials.
“The average short-term placebo effect was small,”
Strijkers RHW, Schreijenberg M, Gerger H, Koes BW, Chiarotto A. 2021
Effectiveness of placebo interventions for patients with nonspecific low back pain: a systematic review and meta-analysis
see, for example:
Hohenschurz-Schmidt D, Phalip J, Chan J, et al. 2024 Placebo analgesia in physical and psychological interventions: Systematic review and meta-analysis of three-armed trials.
“The average short-term placebo effect was small,”
Strijkers RHW, Schreijenberg M, Gerger H, Koes BW, Chiarotto A. 2021 Effectiveness of placebo interventions for patients with nonspecific low back pain: a systematic review and meta-analysis
“probably not clinically relevant.”