Vardas, P E Relation of atrial natriuretic peptide release to atrial contraction. [electronic resource] - The American journal of cardiology Mar 1989 - 753-5 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0002-9149 Standard No.: 10.1016/0002-9149(89)90268-3 doi Subjects--Topical Terms: Atrial FunctionAtrial Natriuretic Factor--metabolismEchocardiographyFemaleHumansMaleMiddle AgedMyocardial ContractionPacemaker, ArtificialPressureRadioimmunoassay