1. An J.Y. A study of the impact on participation in the adult and continuing education on middle-aged. 2006. Seoul: Soongsil University;Unpublished master's thesis.
2. Bae J.E. Instrument development for adaptation of women in the menopause period. 2006. Seoul: Ewha Womans University;Unpublished doctoral dissertation.
3. Cohen J. Statistical power analysis for the behavioral sciences. 1988. Hillsdale, New Jersey Hove and London: Lawrence Erlbaum Associates.
4. Choi E.J., Kwon S.H., Kim A.J., Park J.S., Lee K.N. Relationship between actual health and Yangsaeng of the elderly in Urbanites. Journal of Korean Medical Gi-Gong Academy. 2005. 8(1):96–114.
5. Donovan J.C. The menopausal syndrome: A study of case histories. American Journal of Obstetrics and Gynecology. 1951. 62(6):1281–1291.
6. Jang J.I., Kim C.H., Shin H.C., Park Y.W., Sung E.J., Lee E.J., et al. The relationship between health risk appraisal and health related quality of life among middle-aged men. Journal of the Korean Academy of Family Medicine. 2006. 27(7):534–539.
7. Jung H.K., Kwon S.H., Kim A.J., Wang M.J., Lee K.N. Reassessment of validity and reliability of the tools for measuring Yangsaeng. Korean Journal of Oriental Preventive Medical Society. 2005. 9(1):17–36.
8. Kam I.W., Dennehy C.E., Tsourounis C. Dietary supplement use among menopausal women attending a San Francisco Health Conference. Menopause. 2002. 9:72–78.
9. Kim A.J. The development and evaluation of a tool in measuring Yangseang. 2004-a. Seoul: Ewha Womans University;Published doctoral dissertation.
10. Kim A.J. The development of a tool in measuring Yangsaeng. Journal of Korean Academy of Nursing. 2004. 34(5):729–738.
11. Kim A.J. QOL-BREF and Yangsaeng in Korean adult. Journal of East-West Nursing Research. 2008. 14(2):8–15.
12. Kim J.W., Kwon S.H., Kim A.J., Seo M.H., Park J.S., Lee K.N. Level of Yangsaeng by certain elderly people in connection with their perception of health-focused on the elderly people in Jeonbuk area. Journal of Korean Medical Gi-Gong Academy. 2005. 8(1):115–127.
13. Lee K.H., Chang C.J. Korean urban woman's experience of menopause: New life. Korean Journal of Maternal Child Health Nursing. 1992. 2:70–86.
14. Lee K.N. I live centenarian too. 1996. Seoul: Youngrimsa.
15. Park H.S. Effects of soybean foods intake on menopausal symptoms, serum hormones, serum lipids, and bone metabolism in middle-aged women. 2003. Seoul: Ewha Womans University;Unpublished doctoral dissertation.
16. Park H.S, Kim A.J. Relationship of stress, depression and Yangsaeng in Korean college women. Korean Parent-Child Health Journal. 2008. 11(2):149–159.