Horwitz, L D Differentiation of physiologically significant coronary artery lesions by coronary blood flow measurements during isoproterenol infusion. [electronic resource] - Circulation Jan 1974 - 55-62 p. digital Publication Type: Journal Article ISSN: 0009-7322 Standard No.: 10.1161/01.cir.49.1.55 doi Subjects--Topical Terms: AngiocardiographyBlood Flow VelocityCardiac Output--drug effectsCoronary Disease--drug therapyCoronary Vessels--drug effectsHumansIsoproterenol--pharmacologyRadioisotopesScintillation CountingVascular Resistance--drug effectsXenon