title: The 6-minute walk test in pulmonary arterial hypertension: how far is enough?
authors.forename: Lewis J
authors.initials: LJ
authors.lastname: Rubin
mesh_terms: D003627:Data Interpretation, Statistical; D005080:Exercise Test / Q000706:statistics & numerical data*; D065627:Familial Primary Pulmonary Hypertension; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000503:physiopathology*; D008297:Male; D017063:Outcome Assessment, Health Care / Q000379:methods*