title: The electrocardiographic changes in bronchial asthma and their relationship to the severity of airways obstruction.
mesh_terms: D000328:Adult; D000402:Airway Obstruction / Q000503:physiopathology*; D001249:Asthma / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged