Title
Pulmonaryhypertensioninpatientswithchronicobstructivelungdisease:resultsfromCOMPERA
点击音频
Background/背景
Pulmonaryhypertensioninchronicobstructivepulmonarydisease(PH-COPD)isapoorlyinvestigatedclinicalcondition.
背景：慢性阻塞性肺疾病中的肺动脉高压（PH-COPD）是一项临床研究不足的疾病。
ResearchQuestion/研究问题
Researchquestion:Whichfactorsdetermineout