title: Open letter to the editor of The Lancet.
mesh_terms: D019317:Evidence-Based Medicine; D006705:Homeopathy / Q000379:methods* / Q000592:standards*; D006801:Humans; D008419:Materia Medica / Q000627:therapeutic use*; D015990:Placebo Effect; D016032:Randomized Controlled Trials as Topic; D016896:Treatment Outcome
chemical_list: D008419:Materia Medica