Wong, P Utility of 10 MHz ultrasound catheters in the intraaortic assessment of coronary artery ostial stenoses. [electronic resource] - The American journal of cardiology Apr 1996 - 870-2 p. digital Publication Type: Journal Article ISSN: 0002-9149 Standard No.: 10.1016/S0002-9149(97)89185-0 doi Subjects--Topical Terms: AgedCardiac CatheterizationConstriction, PathologicCoronary Disease--diagnostic imagingFeasibility StudiesFemaleHumansMaleMiddle AgedUltrasonography, Interventional