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A retrospective analysis of an institutional experience with aortic valve replacement (AVR) in patients 70 years of age or older during 1976 to 1987 was performed. The study was prompted in part by the current interest in palliative aortic valvoplasty, an interest based to a certain extent on the impression that AVR in the elderly has a high mortality. The(More)
The responses of different races to the colors used in the Pollimeter were examined. This scaling device is based on a movable visual element of one or two different colors permitting attitude, involvement, or choice to be measured on a continuous scale. The scores of Negroes and non-Negroes were highly correlated with a five-point rating scale. Through the(More)
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