International trends in mortality rates for bronchitis, emphysema and asthma during the period 1971-1980.
D000293:Adolescent; D000328:Adult; D001249:Asthma / Q000401:mortality*; D001991:Bronchitis / Q000401:mortality*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000401:mortality*; D012907:Smoking; D013223:Statistics as Topic