| Year published | 2006 |
| Literatures (Research papers) |
Ushiroyama T, Sakuma K, Nosaka S: Comparison of effects of vitamin E and wen-jing-tang (unkei-to), an herbal medicine, on peripheral blood flow in post-menopausal women with chilly sensation in the lower extremities: a randomized prospective study. Am J C |
| Kampo formulas | unkeito |
| Remarks | unkeito |