Methods: DNA of chlamydia pneumonia was examined by polymerase chain reaction (PCR) in 161 patients with coronary heart disease certificated by coronary arteriography and 41 patients without CHD.

• 方法:采用PCR技术对161例经冠状动脉造影证实的冠心病患者和41例非冠心病患者进行肺炎衣原体DNA检测。