1)Muraki S, et al:Prevalence of radiographic lumbar spondylosis and its association with low back pain in elderly subjects of population-based cohorts;The ROAD study. Ann Rheum Dis 68:1401-1406, 2009
2)Muraki S, et al:Prevalence of radiographic knee osteoarthritis and its association with knee pain in the elderly of Japanese population-based cohorts;The ROAD study. Osteoarthritis Cartilage 17:1137-1143, 2009
3)Yoshimura N, et al:Prevalence of knee osteoarthritis, lumbar spondylosis and osteoporosis in Japanese men and women;The research on osteoarthritis/osteoporosis against disability study. J Bone Miner Metab 27:620-628, 2009
4)Muraki S, et al:Association of occupational activity with radiographic knee osteoarthritis and lumbar spondylosis in elderly patients of population-based cohorts;A large-scale population-based study. Arthritis Rheum 61:779-786, 2009
5)腰野富久:変形性膝関節症の病因,分類と臨床所見.リウマチ25:191-203, 1985