Practical aspects of biological throught levels and antidrug antibodies in rheumatoid arthritis and spondyloarthritis José Rosas; María Martín-López; Teresa Otón; Alejandro Balsa; Jaime Calvo-Alén; Raimon Sanmartí; Jesús Tornero; Loreto Carmona;

Mean corpuscular volume and red cell distribution width as predictors of methotrexate response in RA patients Benitez Cristian Alejandro; Gomez Ramiro Adrián; Peón Claudia; Alfaro María Agustina; Federico Andrea; Klimovsky Ezequiel; Gamba María Julieta;

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;