title: How to come to evidence-based herbal medicines, what are the rules?
authors.affiliation: Natural products Laboratory, IBL Leiden University, PO Box 9505, 2300RA Leiden, The Netherlands. Electronic address: verpoort@chem.leidenuniv.nl.
authors.forename: Rob
authors.initials: R
authors.lastname: Verpoorte
mesh_terms: D019317:Evidence-Based Medicine / Q000379:methods; D006801:Humans; D007880:Legislation, Drug; D008519:Medicine, Traditional; D008517:Phytotherapy / Q000592:standards*; D028321:Plant Preparations / Q000592:standards*
chemical_list: D028321:Plant Preparations