TY - CONF AU - Gómez-Reino Carnota, Juan Jesús AU - Maneiro Fernández, José Ramón AU - Salgado Pérez, Eva PY - 2013 SN - 0003-4967 UR - http://hdl.handle.net/20.500.11940/4150 LA - eng TI - Rheumatoid factor as predictor of response to non TNF antagonist biologic therapies in rheumatoid arthritis: Systematic review and meta-analysis VL - 71 ER -