New method of measuring coronary diameter by electron-beam computed tomographic angiography using adjusted thresholds determined by calibration with aortic opacity.

Funabashi N, Kobayashi Y, Kudo M, et al. "New method of measuring coronary diameter by electron-beam computed tomographic angiography using adjusted thresholds determined by calibration with aortic opacity." Circ J. 2004;68(8):769-77.