Gastrointestinal symptoms in patients using methotrexate: A cross-sectional study in a sample with rheumatoid arthritis Carina Albuquerque Roberto; Isabela Stachevski; Barbara Stadler Kahlow; Renato Nisihara; Thelma Skare;

Serum leukemia inhibitory factor (LIF) levels in patients with Takayasu's and Giant cell arteritis: A cross-sectional study Rahime Aksoy; Tahsin Murat Turgay; Recep Yilmaz; Serdar Sezer; Müçteba Enes Yayla; Emine Uslu Yurteri;

Assessment of liver fibrosis in patients with rheumatoid arthritis treated with methotrexate: Utility of fibroscan and biochemical markers in routine clinical practice Andrea de Diego-Sola; Agustín Castiella Eguzkiza; Luis María López Domínguez; Iratxe Urreta Barallobre; María José Sánchez Iturri; Joaquín María Belzunegui Otaño; Eva María Zapata Morcillo;