title: New drug approved for pulmonary arterial hypertension.
authors.forename: Donna
authors.initials: D
authors.lastname: Young
mesh_terms: D017277:Drug Approval; D004348:Drug Labeling; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D010666:Phenylpropionates / Q000627:therapeutic use*; D011724:Pyridazines / Q000627:therapeutic use*
chemical_list: D010666:Phenylpropionates; D011724:Pyridazines; C467894:ambrisentan