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Well known predisposing factors of asthmatic attack are emotional factors, autonomic nerve dysfunctions, immunologic factors, endocrinologic factors and respiratory track infections. In addition, environmental factors are also important. Meteorological factors-temperature, air pre-ssure, relative humidity-seem to bo the mail triggering agents. According to our clinical experience, the hospotal admission rate of asthmatic children is hi-gher in certain seasons than in other... |
