Design Systematic review and meta-analysis. Main outcome measures Pain and physical function. Data sources Systematic searches for benefits and harms were carried out in Medline, Embase, CINAHL, Web ...

"In May 2021, Jan Pfänder, who led the study, took a course on meta-analysis and wanted to do a meta-analysis on news judgment," Sacha Altay, senior author of the paper, told Medical Xpress.