الفهرس 
The proteasesOnly 14 pages are availabe for public view
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Abstract
The discovery of A1AT deficiency 2nd its association with emphysema led to the hypothesis that emphysema may result from the digestion of lung tissue by proteolytic enzymes released by leucocytes and macrophages, This work represents a study of the possible value of A1 AT estimation in chronic airways obstruction in some Egyptian subjects.