| Year published | 1999 |
| Literatures (Research papers) |
Xu FH, Uebaba K, Cyong JC: Effects of Kampo formulations (Chinese herbal medicine traditionally used in Japan) on event-related electric potentials. Acupunct Electrother Res 24(2):89-104, 1999. |
| Kampo formulas | keishito , shimotsuto , ninjinto , shigyakusan |
| Remarks | keishito, shigyakusan, shimotsuto, ninjinto |