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McPherson, D D; Johnson, M R; Collins, S M et al. (1993) Validation by high-frequency epicardial echocardiography of a new method of analyzing coronary angiography quantitatively in coronary artery disease. Am J Cardiol 71:28-32
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McPherson, D D; Johnson, M R; Alvarez, N M et al. (1992) Variable morphology of coronary atherosclerosis: characterization of atherosclerotic plaque and residual arterial lumen size and shape by epicardial echocardiography. J Am Coll Cardiol 19:593-9
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Fishman, J A (1989) Cross-reactive antigens of the rat and human Pneumocystis carinii. J Protozool 36:66S-67S
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Wilson, R F; Johnson, M R; Marcus, M L et al. (1988) The effect of coronary angioplasty on coronary flow reserve. Circulation 77:873-85
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Johnson, M R; Skorton, D J; Ericksen, E E et al. (1988) Videodensitometric analysis of coronary stenoses. In vivo geometric and physiologic validation in humans. Invest Radiol 23:891-8
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Johnson, M R; McPherson, D D; Fleagle, S R et al. (1988) Videodensitometric analysis of human coronary stenoses: validation in vivo by intraoperative high-frequency epicardial echocardiography. Circulation 77:328-36
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Feiring, A J; Johnson, M R; Kioschos, J M et al. (1987) The importance of the determination of the myocardial area at risk in the evaluation of the outcome of acute myocardial infarction in patients. Circulation 75:980-7
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Johnson, M R; Brayden, G P; Ericksen, E E et al. (1986) Changes in cross-sectional area of the coronary lumen in the six months after angioplasty: a quantitative analysis of the variable response to percutaneous transluminal angioplasty. Circulation 73:467-75
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