Borer, J.S., Hochreiter, C., and Rosen, S. (1991) Right ventricular function in severe non-ischaemic mitral insufficiency. Eur. Heart J., 12 (Suppl. B):22-25. Borer, J.S., Herrold, E.M., Hochreiter, C., Roman, M., Supino, P., Devereux, R.B., Kligfield, P., and Nawaz, H. (1991) Natural history of left ventricular performance at rest and during exercise after aortic valve replacement for aortic regurgitation. Circulation, 84:III:133-139. Borer, J.S. (1993) Atherosclerosis imaging: Pathophysiological assessment for a new era. J. Nucl. Med., 34:1321-1325.