Herbal Rx: the promises and pitfalls.
D003365:Costs and Cost Analysis; D019587:Dietary Supplements / Q000592:standards; D017277:Drug Approval; D004345:Drug Industry; D006301:Health Services Needs and Demand; D006801:Humans; D008389:Marketing of Health Services; D009939:Organizations, Nonprofit; D008517:Phytotherapy; D016896:Treatment Outcome; D014481:United States; D014486:United States Food and Drug Administration / Q000331:legislation & jurisprudence