Asthma in Durban children of three racial groups.
D001741:Black or African American; D000367:Age Factors; D001249:Asthma / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000235:genetics; D044383:Black People; D001835:Body Weight; D001986:Bronchial Spasm / Q000453:epidemiology*; D002675:Child, Preschool; D002908:Chronic Disease; D006801:Humans; D007223:Infant; D011859:Radiography; D013019:South Africa; D013312:Stress, Physiological; D044465:White People