title: Herbal products are often contaminated, study finds.
authors.affiliation: London.
authors.forename: Jacqui
authors.initials: J
authors.lastname: Wise
mesh_terms: D058893:DNA Barcoding, Taxonomic / Q000379:methods*; D004340:Drug Contamination; D004345:Drug Industry / Q000592:standards*; D006801:Humans; D009864:Ontario; D028321:Plant Preparations / Q000592:standards*
chemical_list: D028321:Plant Preparations