Association of chronic obstructive pulmonary disease and hemorrhoids: A nationwide cohort study.
Associationofchronicobstructivepulmonarydiseaseandhemorrhoids:Anationwidecohortstudy.LinLH1,SiuJJ,LiaoPC,ChiangJH,ChouPC,ChenHY,HoTJ,TsaiMY,ChenYH,ChenWC.Authorinformation:aGraduateInstituteofChineseM