Research Department	
              
          Research Journal	
              BULLETIN OF HIGH INSTITUTE OF PUBLIC HEALTH 
          Research Member	
          
      Research Publisher	
              NULL
          Research Rank	
              2
          Research Vol	
              Vol. (34), No. (3)
          Research Website	
              NULL
          Research Year	
              2004
          Research_Pages	
              575-594
          Research Abstract	
              NULL