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Abstract
Alopecia areata isa common disease of the had folll Although it is a benign disorder, its cosmetic and psychoog effects may be profound.
The etiology of alopecia areata is still unrevealed. Bed favors are thought to play an important role in preclp}tatiny, disease. These Include: genetic predlsposltion, focal nfetl atopy and emotional factors It Is generally accepted at present of any swelling and assessing the accurate size and configuration, it also allowed comparison Title the opposite normal