1. 1) The Ministry of Health, Labour and Welfare. The Interpretation of the Medical Practitioners' Act, Article 17, the Dental Practitioners' Act, Article 17, and Act on Public Health Nurses, Midwives, and Nurses, Article 31, 2005: 〈http://www.mhlw.go.jp/shingi/2006/02/dl/s0227-6g02.pdf〉, cited 27 June, 2017.
2. 2) Park H., Miki A., Satoh H., Maki H., Asai K., Konishi Y., Sawada Y., Yakugaku Zasshi, 136, 913-923 (2016).
3. 3) Maki H., Satoh H., Miki A., Konishi Y., Asai K, Sawada Y., Abstracts of papers, the 12th Anual Meeting of the Japan Association of Certified Care Workers, Yamaguchi, November 2014, pp. 54-55.
4. 4) Kawakita J., “Hasso-ho, ” Chuokoron-sha, Tokyo, 1967.