1. 1) Ikegami N., Campbell J. C., “Nippon no Iryou: Tousei to Baransu Kankaku,” Chuoukouronsha, Tokyo, 1996, pp. 119-178.
2. 2) Iryouhokenseidokenkyukai, “Me de Miru Iryouhoken Hakusho Iryouhoshou no Genzyou to Kadai (Heisei 15-nenban),” Gyousei, Tokyo, 2003, pp. 3-51.
3. 3) Iino N., “Kanzya Honi no Iryou wo Motomete,” Nipponhososyuppankyokai, Tokyo, 2003, pp. 88-128.
4. 4) Nichiisoken, “Kouhatsu Iyakuhin (Zyenerikku Iyakuhin) ni tsuiteno Kisokenkyu” No. 82. 2003.
5. 5) Nipponyakuzaishikai, “Orenzibukku Hoken-yakkyoku-ban,” Yakujinippou-sha, Tokyo, 2002, pp. i-ii.