![Endothelial progenitor cells in active rheumatoid arthritis: effects of tumour necrosis factor and glucocorticoid therapy]()
Endothelial progenitor cells in active rheumatoid arthritis: effects of tumour necrosis factor and glucocorticoid therapyGrisar, J.; Aletaha, D.; Steiner, C. W; Kapral, T.; Steiner, S.; Saemann, M.; Schwarzinger, I.; Buranyi, B.; Steiner, G.; Smolen, J. S · Annals of the Rheumatic Diseases · 2007