Nagano, T Effects of Dai-kenchu-to on levels of 5-hydroxytryptamine (serotonin) and vasoactive intestinal peptides in human plasma. [electronic resource] - Biological & pharmaceutical bulletin Mar 2000 - 352-3 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0918-6158 Standard No.: 10.1248/bpb.23.352 doi Subjects--Topical Terms: AdultHumansMalePanaxPharmaceutical PreparationsPlacebosPlant Extracts--pharmacologySerotonin--biosynthesisVasoactive Intestinal Peptide--bloodZanthoxylumZingiberaceae