1. Ministry of Health, Labour and Welfare: Promotion of the use of generic drugs [http://www.mhlw.go.jp/english/policy_report/2012/09/120921.html]
2. Ministry of Health, Labour and Welfare: Evaluation of the introduction of DPC in 2011 (in Japanese) [http://www.mhlw.go.jp/stf/shingi/2r9852000002pvka-att/2r9852000002pvok.pdf]
3. Tamaishi J. Effects of promotion policies on the use of generic drugs. OPIR View and Actions. 2012;35:39–42. in Japanese.
4. Tamaishi J. Effects of promotion policies on the use of generic drugs. OPIR View and Actions. 2012;36:42–5. in Japanese.
5. Tamaishi J. Effects of promotion policies on the use of generic drugs. OPIR View and Actions. 2012;37:35–8. in Japanese.