title: Pulmonary hypertension in chronic respiratory disorders: we need to learn more.
authors.forename: Roberto F P
authors.initials: RF
authors.lastname: Machado
mesh_terms: D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology*; D011651:Pulmonary Artery / Q000502:physiology; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications*; D012720:Severity of Illness Index; D013599:Systole