title: Primary pulmonary hypertension and thromboembolic pulmonary hypertension--similarities and differences.
authors.forename: M Z
authors.initials: MZ
authors.lastname: Shaheen
authors.forename: W J
authors.initials: WJ
authors.lastname: Windebank
mesh_terms: D000792:Angiography; D006801:Humans; D006976:Hypertension, Pulmonary / Q000145:classification*; D008168:Lung / Q000000981:diagnostic imaging; D011655:Pulmonary Embolism / Q000150:complications