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;

Ultrasound tenosynovitis: A differential feature of patients with seronegative rheumatoid arthritis Santiago Ruta; Einer Sanchez Prado; Facundo Salvatori; Juan Arguello; Darío Aguerre; Sebastián Magri; Rodrigo García Salinas;

Rotator cuff tendinopathy is associated with increased activity score in rheumatoid arthritis Jorge Medina-Castillo; Rodrigo J. Castillo-de la Garza; David Vega-Morales; Jorge A. Esquivel-Valerio; Axel A. De León-Pérez; Lorenia De La Cruz-Becerra; Alondra Elizabeth Montoya-Montes; Lourdes Gil-Flores; Dionicio Ángel Galarza-Delgado;