Changes in the incidence and prevalence of rheumatoid arthritis in Kamitonda, Wakayama, Japan, 1965–1996
Kanji Shichikawa, Koji Inoue, Shigenaga Hirota, Akira Maeda, Hiroshi Ota, Masami Kimura, Toshio Ushiyama, Masaki Tsujimoto
Annals of the Rheumatic Diseases Dec 1999, 58 (12) 751-756; DOI: 10.1136/ard.58.12.751