title: Highlights from the new pulmonary hypertension classification and guidelines 2009.
authors: J
authors: J
authors: Rich
authors: M
authors: M
authors: Gomberg-Maitland
mesh_terms: D019468:Disease Management; D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary / Q000145:classification* / Q000175:diagnosis / Q000628:therapy; D017410:Practice Guidelines as Topic; D016896:Treatment Outcome; D014481:United States