Clinical course and flare predictors in patients with rheumatoid arthritis in low disease activity and ultrasound remission monitored by ultrasound yearly and on-demand: A prospective 2-year observation study Takeo Abe, Masao Tamura, Kazuyuki Tsuboi, Yuko Minagawa, Kazuteru Noguchi, Chie Ogita, Teppei Hashimoto, Naoto Azuma, Kiyoshi Matsui

Subclinical synovitis measured by ultrasound in rheumatoid arthritis patients with clinical remission induced by synthetic and biological modifying disease drugs Marcos Cruces, Soham Al Snih, Natalí Serra-Bonett, Juan C. Rivas

Clinical Advantage of Attaining Index-Based Remission Prior to Composite Remission in Treating Rheumatoid Arthritis Ichiro Yoshii, Tatsumi Chijiwa, Naoya Sawada