title: Treatment differences in pulmonary arterial hypertension management.
authors.affiliation: Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA.
authors.forename: Bradley A
authors.initials: BA
authors.lastname: Maron
authors.affiliation: University Hospital, University of Utah, Salt Lake City, Utah, USA.
authors.forename: John J
authors.initials: JJ
authors.lastname: Ryan