Kim, I. J., Kim, H. A., Seo, Y., Jung, Y. O., Song, Y. W., Jeong, J. Y., & Kim, D. H. (2011). Prevalence of Knee Pain and Its Influence on Quality of Life and Physical Function in the Korean Elderly Population: A Community Based Cross-Sectional Study. The Korean Academy of Medical Sciences.

Kim, In Je, Hyun Ah Kim, Young-Il Seo, Young Ok Jung, Yeong Wook Song, Jin Young Jeong, och Dong Hyun Kim. Prevalence of Knee Pain and Its Influence On Quality of Life and Physical Function in the Korean Elderly Population: A Community Based Cross-Sectional Study. The Korean Academy of Medical Sciences, 2011.

Kim, In Je, et al. Prevalence of Knee Pain and Its Influence On Quality of Life and Physical Function in the Korean Elderly Population: A Community Based Cross-Sectional Study. The Korean Academy of Medical Sciences, 2011.