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Abstract:
The bronchial asthma disease is divided into 5 groups: 1. bronchial asthma caused by allergy, 2. bronchial asthma caused by infection, 3. bronchial asthma caused by physicochemical irritants, 4. bronchial asthma caused by exercise, 5. combination between the groups 1--4. Etiological factors, immunologic phenomena so far as known and pathogenic mechanisms are listed for each group and discussed.