Pulmonary heart disease group and COPD group, the control group of the right lower pulmonary diameter/pulmonary artery pressure value comparison, the difference was statistically significant.
肺心病组与COPD组、对照组组间的右下肺动脉直径/肺动脉压力值比较，差异均有统计学意义。
Methods 68 patients suffering from senile pulmonary heart disease and heart failure were divided into observe group and control group randomly.
方法将68例老年肺心病心衰患者随机分为观察组和对照组。
Methods 68 patients suffering from senile pulmonary heart disease and heart failure were divided into observe group and control group randomly.
方法将68例老年肺心病心衰患者随机分为观察组和对照组。
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