Journal Article
                        
                        Hamdi, Emad, Tarek  Gawad, Aref  Khoweiled, Albert Edward  Sidrak, Dalal  Amer, Rania  Mamdouh, Heba  Fathi, and Nasser  Loza.  
"Lifetime prevalence of alcohol and substance use in Egypt: a community survey." Substance Abuse 34, no. 2 (2013): 97-104.