[Official statistical study of mortality in asthma, emphysema and chronic bronchitis in Belgium during 1954 and 1955].
D001249:Asthma; D001530:Belgium; D001699:Biometry; D001991:Bronchitis / Q000706:statistics & numerical data*; D029481:Bronchitis, Chronic; D004646:Emphysema; D006801:Humans; D011656:Pulmonary Emphysema / Q000706:statistics & numerical data*
BRONCHITIS/statistics; PULMONARY EMPHYSEMA/statistics