González Álvaro, Isidoro [Biologics as first line therapy in the treatment of rheumatoid arthritis. An opposing point of view]. [electronic resource] - Reumatologia clinica Apr 2009 - 28-30 p. digital Publication Type: English Abstract; Journal Article ISSN: 1699-258X Standard No.: 10.1016/j.reuma.2008.11.008 doi