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美国著名心脏病学家佛瑞德调查发现:发作过心脏病的患者,性格偏向A型的高达98%。那么,A型性格与冠心病究竟有怎样的关系呢?
The United States well-known cardiologist Fred survey found: attacked patients with heart disease, the character tends to type A up to 98%. So, A-type personality and coronary heart disease exactly what kind of relationship?