Association of electrocardiographic altered P wave dispersion and vascular endothelial growth factor in rheumatoid arthritis Osmar Antonio Centurión; Paloma de Abreu; Gabriela Avila-Pedretti; Sonia R. Cabrera; María T. Martínez de Filártiga; Astrid Paats; Judith M. Torales; Christian O. Chávez; Carmen R. Montiel; Laura B. García; Karina E. Scavenius; Rocío del Pilar Falcón; Jose C. Candia; Alfredo J. Meza; Isabel Acosta-Colmán;

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;

Cognitive dysfunction, depression and serum level of brain-derived neurotrophic factor (BDNF) in Egyptian patients with rheumatoid arthritis Mona I. Nabih; Noha M. Khalil; Olfat Shaker; Mahmoud Ghanema; Sarah A. Hassan;