Objective To observe the clinic effect of bilevel positive pressure ventilator on the chronic pulmonary heart disease.
目的观察双水平正压呼吸机治疗慢性肺源性心脏病的临床疗效。
I doubt cigarettes would ever get on the market now that we know the side-effects - lung cancer, heart attacks, chronic obstructive pulmonary disease.
我在想，如果我们已经知道了像肺癌、心脏病、慢阻肺之类的副作用的话，现在香烟还会在市面上出现吗？
Objective to investigate the clinical significance of noninvasive heart function monitor of diagnosis and therapy of chronic pulmonary heart disease.
目的研究无创心功能监测对慢性肺源性心脏病诊断和治疗效果判断的临床意义。
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