The value of standard chest roentgenograms for classification of pulmonary hypertension.
D006328:Cardiac Catheterization; D017023:Coronary Angiography; D004106:Dilatation; D006801:Humans; D006976:Hypertension, Pulmonary / Q000000981:diagnostic imaging* / Q000209:etiology; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D013902:Radiography, Thoracic