Faggioli, P., S. Finazzi, E. Vicenzi, L. Giani, M. Rondena, M. Lotzniker, and A. Mazzone. 2013. “Probable Role of Brain Natriuretic Peptide (BNP) in Lung Hypertension Secondary to Scleroderma”. Italian Journal of Medicine 1 (1):23-25. https://doi.org/10.4081/itjm.2007.1.23.