1. Kampo medical and health economics;Sakamaki;Geriatr. Med.,2002
2. Nikkei Medical Publishing Kampo Medicine Use Actual Situation and Kampo Medicine Education and Awareness Survey 2012 http://nmp.nikkeibp.co.jp/kampo/2012.html
3. Japanese Ministry of Health and Welfare Estimates of National Medical Care Expenditure http://www.mhlw.go.jp/toukei/saikin/hw/k-iryohi/13/index.html
4. Possibilities of suppressing medical costs using Kampo medicine: Investigating reductions in overall medical costs brought about by traditional East Asian treatment;Shimoda;J. Jpn. Soc.Oriental Med.,2001
5. Medical economics and Kampo medicine in institutions such as geriatric hospitals;Sakamaki;Kampo Newest. Ther.,2001