| Year published | 2002 |
| Literatures (Research papers) |
Watanabe H, Kobayashi T, Tomii M, Sekiguchi Y, Uchida K, Aoki T, Cyong JC: Effects of Kampo herbal medicine on plasma melatonin concentration in patients. Am J Chin Med 30(1):65-71, 2002. |
| Kampo formulas | hachimijiogan , goshajinkigan |
| Remarks | goshajinkigan, hachimijiogan |