1. White Paper on Aging Society (Kourei Shakai Hakusho);Cabinet Office,2013
2. White Paper on Health, Labour, and Welfare (Kousei Roudou Hakusho);Ministry of Health, Labour and Welfare,2013
3. Annual Health, Labour, and Welfare Report;Ministry of Health, Labour, and Welfare,2018
4. Complementary and alternative medicine treatments among stroke patients in India;Pandian;Top Stroke Rehabil,2012