| Year published | 2009 |
| Literatures (Research papers) |
Miyaoka T, Furuya M, Yasuda H, Hayashida M, Nishida A, Inagaki T, Horiguchi J: Yi-gan san as adjunctive therapy for treatment-resistant schizophrenia: an open-label study. Clin Neuropharmacol 32(1):6-9, 2009. |
| Kampo formulas | yokukansan |
| Remarks | yokukansan |