Fogelholm, R R Diurnal blood pressure variations and onset of subarachnoid haemorrhage: a population-based study. [electronic resource] - Journal of hypertension May 1995 - 495-8 p. digital Publication Type: Journal Article ISSN: 0263-6352 Standard No.: 10.1097/00004872-199505000-00003 doi Subjects--Topical Terms: AdultAgedBlood PressureCircadian RhythmFemaleHumansMaleMiddle AgedRetrospective StudiesSleepSubarachnoid Hemorrhage--etiologyWakefulness