Prevalence of pulmonary hypertension in an unselected, mixed connective tissue disease cohort: results of a nationwide, Norwegian cross-sectional multicentre study and review of current literature - Gunnarsson, R; Andreassen, A K; Molberg, Ø (Rheumatology (Oxford), 2013)
Epub 2013 Feb 12. Review. PubMed PMID: 23407386