title: [Electrocardiogram and physical fitness in patients with chronic bronchitis].
mesh_terms: D000328:Adult; D001991:Bronchitis / Q000503:physiopathology*; D002908:Chronic Disease; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010809:Physical Fitness; D013147:Spirometry
vernacular_title: Zachowanie sie elektrokardiogramu oraz wydolności fizycznej u chorych na przewlekły niezyt oskrzeli.