title: Primary pulmonary hypertension: new reasons for optimism?
authors.forename: J B
authors.initials: JB
authors.lastname: Hickie
mesh_terms: D006328:Cardiac Catheterization; D003937:Diagnosis, Differential; D004452:Echocardiography; D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis*; D010808:Physical Examination; D012680:Sensitivity and Specificity