Riccardi M, Chialà A, Iannone F, Grattagliano V, Covelli M, Lapadula G. Treatment of digital ulcers in systemtic sclerosis with endothelin-1 receptor antagonist (bosentan). Reumatismo [Internet]. 2007 Jun. 30 [cited 2024 Apr. 26];59(2):135-9. Available from: https://www.reumatismo.org/reuma/article/view/reumatismo.2007.135