CHRONIC BRONCHITIS, EMPHYSEMA AND ASTHMA: A NEW LOOK AT AN OLD TRIAD.
D001249:Asthma; D044383:Black People; D001991:Bronchitis; D029481:Bronchitis, Chronic; D004646:Emphysema; D006801:Humans; D011656:Pulmonary Emphysema; D011660:Pulmonary Heart Disease
ASTHMA; BRONCHITIS; NEGROES; PULMONARY EMPHYSEMA; PULMONARY HEART DISEASE