北京白癜风治疗最新方法 https://m-mip.39.net/baidianfeng/mipso_4249431.html原文引用
医护英语学习
U
ChronicObstructivePulmonaryDisease(COPD)
Chronicobstructivepulmonarydisease(COPD)isairflowlimitationcausedbyaninflammatoryresponsetoinhaledtoxins,oftencigarettesmoke.Symptomsareproductivecoughanddyspneathatdevelopoveryears;