AutoAb analysis of 140 systemic sclerosis shows low sensitivity (<33%), high specificity (>88%). Scl-70+ signif assoc w sine scleroderma, digital ulcers, Raynauds as 1st onset sign. SSc-ILD more common Scl-70 and PAH with CENP A/B Abs https://t.co/1zvkte4drJ https://t.co/FaSmshUvhY