METHODS: 438 patients were classified as 242 CHD group and 196 controls group by selective coronary angiography.
方法：438例冠状动脉造影患者，根据造影结果分为CHD组(242例)和对照组(196例)。
METHODS: 438 patients were classified as 242 CHD group and 196 controls group by selective coronary angiography.
方法：438例冠状动脉造影患者，根据造影结果分为CHD组(242例)和对照组(196例)。
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