Critical finger ischemia and myocardial fibrosis development after sudden interruption of sildenafil treatment in a systemic sclerosis patient. Reumatismo, [S. l.], v. 68, n. 2, p. 109–111, 2016. DOI: 10.4081/reumatismo.2016.889. Disponível em: https://www.reumatismo.org/reuma/article/view/889. Acesso em: 15 aug. 2025.