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