CHRONIC BRONCHITIS AND EMPHYSEMA IN EGYPT, U.A.R.
D001699:Biometry; D001991:Bronchitis; D029481:Bronchitis, Chronic; D004534:Egypt; D004646:Emphysema; D006801:Humans; D011656:Pulmonary Emphysema; D013223:Statistics as Topic
BRONCHITIS; EGYPT; PULMONARY EMPHYSEMA; STATISTICS