[Changes in electrocardiography in chronic obstructive bronchitis].
D001991:Bronchitis / Q000503:physiopathology*; D002908:Chronic Disease; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged
Veränderungen des Elektrokardiogrammes bei der chronisch-obstruktiven Bronchitis.