Bruni, C., Bellando-Randone, S., Gargani, L., Picano, E., Pingitore, A., Matucci-Cerinic, M., & Guiducci, S. (2016). Critical finger ischemia and myocardial fibrosis development after sudden interruption of sildenafil treatment in a systemic sclerosis patient. Reumatismo, 68(2), 109–111. https://doi.org/10.4081/reumatismo.2016.889