1. Cho, S.B.: The aged health and welfare policy in aging society. Manag. Econ. Res. 27, 139–160 (2004)
2. Lee, Y.G., Sung, K.W.: A study on sex education program development for senior citizen: focusing on changes in seniors’ sex sense. Korean Public Manag. Rev. 19(1), 89–110 (2005)
3. National Health Insurance: Over 65 year of elderly people who have sexual disease increase 12.7 % annually. National Health Insurance. http://www.nhic.or.kr/portal/site/main/menuitem.31f14893bf4f6c38b31148b4062310a0/ (2010). Accessed 23 July 2011
4. Gott, M., Hinchliff, S.: How important is sex in later life? The views of older people. Soc. Sci. Med. 56(8), 1617–1628 (2003). doi: 10.1016/S0277-9536(02)00180-6
5. Penhollow, T.M., Young, M., Denny, G.: Predictors of quality of life, sexual intercourse, and sexual satisfaction among active older adults. Am. J. Health Educ. 40(1), 14–22 (2009). doi: 10.1080/19325037.2009.10599074