| Year published | 2005 |
| Literatures (Research papers) |
Iwasaki K, Maruyama M, Tomita N, Furukawa K, Nemoto M, Fujiwara H, Seki T, Fujii M, Kodama M, Arai H: Effects of the traditional Chinese herbal medicine Yi-Gan San for cholinesterase inhibitor-resistant visual hallucinations and neuropsychiatric symptoms |
| Kampo formulas | yokukansan |
| Remarks | yokukansan |