Long-term effects of bosentan on quality of life, survival, safety and tolerability in pulmonary arterial hypertension related to connective tissue diseases

C. P. Denton, J. E. Pope, H. H. Peter, A. Gabrielli, A. Boonstra, F. H.J. Van Den Hoogen, G. Riemekasten, S. De Vita, A. Morganti, M. Dölberg, O. Berkani, L. Guillevin