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                Hossein  Saeidi, Hossein  Shaker, Mojtaba  Chardoli, Davood  Saravi*    
            
                    J Prev Epidemiol. 2018;3(2): e21.
                    
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                Leila   Hatef Partovi   ,  Sima   Zohari Anboohi*,  Ziba   Barzabadi Farahani   , Samaneh   Mansouri
             
            
                    J Prev Epidemiol. 2018;3(2): e15.
                    
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                Setayesh  Sotoudehnia Korani, Soudabeh  Behrooj   , Hossein  Farshidi   , Farid  Khorrami   , Ali  Rezazadeh Roudkoli*    |