1. Digital ulcers in scleroderma: staging, characteristics and sub-setting through observation of 1614 digital lesions;Amanzi;Rheumatology (Oxford),2010
2. An observational cohort study of patients with newly diagnosed digital ulcer disease secondary to systemic sclerosis registered in the EUSTAR database;Brand;Clin. Exp. Rheumatol.,2015
3. Thymic stromal lymphopoietin is up-regulated in the skin of patients with systemic sclerosis and induces profibrotic genes and intracellular signaling that overlap with those induced by interleukin-13 and transforming growth factor β;Christmann;Arthritis Rheum.,2013
4. Nailfold capillaroscopy and classification criteria for systemic sclerosis;Cutolo;Clin. Exp. Rheumatol.,2007
5. Systemic sclerosis;Denton;Lancet,2017