Effectiveness of Relapse Prevention Cognitive-Behavioral Model in Opioid-Dependent Patients Participating in the Methadone Maintenance Treatment in Iran - Pashaei, Tahereh; Shojaeizadeh, Davoud; Rahimi Foroushani, Abbas; Ghazitabatabae, Mahmoud; Moeeni, Maryam; Rajati, Fatemeh; M Razzaghi, Emran (Iranian Journal of Public Health)