Prevalence of comorbidities in rheumatoid arthritis and evaluation of their monitoring in clinical practice: the spanish cohort of the COMORA study Alejandro Balsa, Leticia Lojo-Oliveira, Mercedes Alperi-López, María García-Manrique, Carmen Ordóñez-Cañizares, Lorena Pérez, Virginia Ruiz-Esquide, Alfonso Corrales, Javier Narváez, José Rey-Rey, Carlos Rodríguez-Lozano, Soledad Ojeda, Santiago Muñoz-Fernández, Joan M. Nolla, José García-Torrón, Fernando Gamero, Rosario García-Vicuña, Blanca Hernández-Cruz, José Campos, José Rosas, José Francisco García-Llorente, Antonio Gómez-Centeno, Rafael Cáliz, Raimon Sanmartí, Alberto Bermúdez, Lydia Abasolo-Alcázar, Antonio Fernández-Nebro, Luis Rodríguez-Rodríguez, Carlos Marras, Miguel Ángel González-Gay, Ihsane Hmamouchi, Emilio Martín-Mola

The association between smoking and the development of rheumatoid arthritis: a population-based case-control study Júlia Sánchez-Campamà, Navraj S. Nagra, Marta Pineda-Moncusí, Albert Prats-Uribe, Daniel Prieto-Alhambra

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