title: St. John's wort study launched.
mesh_terms: D000529:Complementary Therapies; D003863:Depression / Q000188:drug therapy*; D006801:Humans; D009316:National Institutes of Health (U.S.); D010936:Plant Extracts / Q000627:therapeutic use*; D014481:United States
chemical_list: D010936:Plant Extracts