Herbal medicines--harmless or harmful?
D000758:Anesthesia; D004347:Drug Interactions; D006801:Humans; D004366:Nonprescription Drugs / Q000009:adverse effects; D008517:Phytotherapy / Q000009:adverse effects* / Q000706:statistics & numerical data; D010936:Plant Extracts / Q000009:adverse effects*; D006113:United Kingdom
D004366:Nonprescription Drugs; D010936:Plant Extracts