Synovial fibroblast hyperplasia correlates with rheumatoid arthritis duration and activity and is partially reversed by anti-TNF therapy - Pablos J L; Criado G; Sanmartí R; Marsal S; Usategui A; Del Rey M J; Celis R; Cañete J D; Izquierdo E (Journal of Translational Medicine, 2010)