Dejman,M , , Vameqhi,M , , Dejman,F , , Roshanfekr,P , , Rafiey,H , , Setareh Forouzan,A , , Rezazadeh,M , , Fazeli,P , and Assari,S . "Substance use Among Street Children in Tehran, Iran", International Journal of Travel Medicine and Global Health, 3, 1, 2015, 23-27. doi: 10.20286/ijtmgh-030123