Fig. 1From: Accuracy and tolerability of self-sampling of capillary blood for analysis of inflammation and autoantibodies in rheumatoid arthritis patients—results from a randomized controlled trialCapillary blood self-sampling devices. Left: Tasso SSTTM device used for upper-arm (UA) capillary blood sampling; right: BD MicrotainerTM finger prick device used in the fingertip sampling group (FP)Back to article page