%0 Journal Article %T Phenotyping pulmonary hypertension in systemic sclerosis: a moving target %A Paul M. Hassoun %A Valentina Mercurio %J Pulmonary Circulation %@ 2045-8940 %D 2018 %R 10.1177/2045894018785247 %U https://journals.sagepub.com/doi/full/10.1177/2045894018785247