Frey, M A Correlations between ejection times measured from the carotid pulse contour and the impedance cardiogram. [electronic resource] - Aviation, space, and environmental medicine Oct 1983 - 894-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0095-6562 Subjects--Topical Terms: AdultCardiography, ImpedanceCarotid ArteriesElectrocardiographyHeart--physiologyHumansHypertension--physiopathologyMaleMiddle AgedMyocardial ContractionPhonocardiographyPhysical ExertionPlethysmography, ImpedancePulseRestSystoleTime Factors