Parodi, O Transient reduction of regional myocardial perfusion during angina at rest with ST-segment depression or normalization of negative T waves. [electronic resource] - Circulation Jun 1981 - 1238-47 p. digital Publication Type: Journal Article ISSN: 0009-7322 Standard No.: 10.1161/01.cir.63.6.1238 doi Subjects--Topical Terms: AdultAgedAngina Pectoris--diagnostic imagingBlood PressureDensitometryElectrocardiographyHeart--diagnostic imagingHeart RateHumansMiddle AgedMyocardium--metabolismPerfusionRadionuclide ImagingRestTime Factors