Research Department	
              
          Research Journal	
              Assiut Medical Journal
          Research Member	
          
      Research Publisher	
              Assiut Medical Journal
          Research Rank	
              2
          Research Vol	
              18 (2)
          Research Year	
              1994
          Research_Pages	
              199-212
           Do you have any questions?
Do you have any questions?  
           
            