Prevalence of joint pain is higher among women in rural Japan than urban Japanese-American women in Hawaii
Kiyoshi Aoyagi, Philip D Ross, Chun Huang, Richard D Wasnich, Takuo Hayashi, Tai-ichiro Takemoto
Annals of the Rheumatic Diseases May 1999, 58 (5) 315-319; DOI: 10.1136/ard.58.5.315