Herbal medicines--primum non nocere.
D005062:European Union; D006801:Humans; D007883:Legislation, Medical; D008517:Phytotherapy / Q000009:adverse effects / Q000191:economics / Q000639:trends*; D028321:Plant Preparations / Q000009:adverse effects / Q000191:economics; D014481:United States
D028321:Plant Preparations