title: Tests of three herbal therapies yield disappointing results.
authors: Katherine
authors: K
authors: Arnold
mesh_terms: D001628:Beverages; D004365:Drugs, Chinese Herbal; D006801:Humans; D020902:Hypericum; D009369:Neoplasms / Q000188:drug therapy; D008517:Phytotherapy; D010936:Plant Extracts
chemical_list: D004365:Drugs, Chinese Herbal; D010936:Plant Extracts; C114209:herbal preparation PC-SPES