الفهرس 
acknowledgmentOnly 14 pages are availabe for public view
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Abstract
Asthma is one of the most common sever lung disedses in childhood.
It is also one of the most controverial lung diseases as it is very difficlt to predict the course of the illness in any child.
While the prognosis for children with asthma is better than that of many chronic illnesses asthma dose result in a considerable loss of school and play time.
It is also an unpredictable and life theating disease.