Figure 4From: Treatment options in patients with rheumatoid arthritis failing initial TNF inhibitor therapy: a critical reviewSurvival curve for TNF inhibitors in BIOBADASER during the first 2 years of use. Reproduced from Gomez-Reino et al. [37], with permission from BioMed Central Ltd. BIOBADASER, Spanish Society of Rheumatology Database on Biologic Products; TNF, tumour necrosis factor.Back to article page