title: Reginal variations in mortality from the chronic respiratory diseases.
mesh_terms: D000328:Adult; D000368:Aged; D001249:Asthma / Q000401:mortality; D001991:Bronchitis / Q000401:mortality; D002908:Chronic Disease; D004646:Emphysema / Q000401:mortality; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012140:Respiratory Tract Diseases / Q000401:mortality*; D013223:Statistics as Topic; D014481:United States