Case-control study of 349 autoimmune (ARD) pts (SLE, RA, SSc) & serum assays for anti-neutrophil extracellular trap (aNET)Abs. aNET in 37% SLE assoc w/ APS (OR 3.4) & arterial thrombosis (OR 5.5). aNET in 40% RA assoc w/ ACPA+ (p=0.049) https://t.co/QwvmLAVmg7 https://t.co/VJ7JV5fcZE