Analysis of information sources in references of the Wikipedia article "Gua sha" in Portuguese language version.
(...) the two RCTs just show how remarkable placebo-effects can be, particularly if the treatment is exotic, impressive, involves physical touch, is slightly painful and raises high expectations.
(...) the two RCTs just show how remarkable placebo-effects can be, particularly if the treatment is exotic, impressive, involves physical touch, is slightly painful and raises high expectations.
