1. 1) Prime Minister of Japan and His Cabinet. “Japan Revitalisation Strategy —JAPAN is BACK—”: 〈http://www.kantei.go.jp/jp/singi/keizaisaisei/pdf/saikou_jpn.pdf〉, cited 6 July, 2017.
2. 2) National Tax Agency. “No. 1131 Self-medication zeisei to jurai no iryouhi koujo tono sentaku tekiyou.”: 〈https://www.nta.go.jp/taxanswer/shotoku/1131.htm〉, cited 6 July, 2017.
3. 3) Ministry of Health, Labour and Welfare. “Self-medication zeisei (iryouhi koujo no tokurei) ni tsuite.”: 〈http://www.mhlw.go.jp/stf/seisakunitsuite/bunya/0000124853.html〉, cited 6 July, 2017.
4. 4) Consumer Affairs Agency. “News Release, 2015.4.8, Shihanyaku no fukusayou de jushouka surukotomo! Shokishoujo ga detara ishi, yakuzaishi ni soudan shimashou.”: 〈http://www.caa.go.jp/safety/pdf/150408kouhyou_1.pdf〉, cited 11 May, 2017.
5. 5) Safety Division, Ministry of Health, Labour and Welfare. “Codein rinsanen touno shouni tou eno shiyou seigen ni tsuite,” 2017: 〈http://www.mhlw.go.jp/file/05-Shingikai-11121000-Iyakushokuhinkyoku-Soumuka/0000168848.pdf〉, cited 11 May, 2017.