Apprill, M Frequency and mechanism of daytime pulmonary hypertension in patients with obstructive sleep apnoea syndrome. [electronic resource] - Cor et vasa 1991 - 42-9 p. digital Publication Type: Journal Article ISSN: 0010-8650 Subjects--Topical Terms: AdultAgedBlood PressureCarbon Dioxide--bloodFemaleForced Expiratory VolumeHumansHypertension, Pulmonary--diagnosisHypoxia--etiologyMaleMiddle AgedObesity--complicationsOxygen--bloodPulmonary Artery--physiopathologySleep Apnea Syndromes--complicationsVascular ResistanceVital Capacity