title: Herb-drug interactions: theory versus practice.
authors.forename: Jerry M
authors.initials: JM
authors.lastname: Cott
mesh_terms: D019587:Dietary Supplements; D020900:Echinacea; D058870:Food, Organic / Q000009:adverse effects* / Q000633:toxicity; D020441:Ginkgo biloba; D041743:Herb-Drug Interactions; D006801:Humans; D012107:Research Design