| Year published | 2003 |
| Literatures (Research papers) |
Saegusa Y, Sugiyama A, Takahara A, Nagasawa Y, Hashimoto K: Relationship between phosphodiesterase inhibition induced by several Kampo medicines and smooth muscle relaxation of gastrointestinal tract tissues of rats. J Pharmacol Sci 93(1):62-68, 2003. |
| Kampo formulas | san'oshashinto , daisaikoto , saireito |
| Remarks | saireito, san'oshashinto, daisaikoto |