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【简答题】Translate the following two sentences Patients with severe cases of CAD may be candidates for angioplasty, surgical dilatation of the blocked vessel by means of a catheter, technically called percutan...
【单选题】Cardiovascular disorders are conditions of the heart and blood vessels, consist mainly of coronary heart disease (CHD), or coronary artery disease (CAD), hypertension, arrhythmia and heart failure.