A simple screening test to assess risk of falls in Japanese patients with rheumatoid arthritis: Results from the IORRA cohort study. Issue 2 (4th March 2021) - Oh, Koei; Furuya, Takefumi; Inoue, Eisuke; Tanaka, Eiichi; Ikari, Katsunori; Taniguchi, Atsuo; Yamanaka, Hisashi; Okazaki, Ken; Harigai, Masayoshi