7American Psychiatric Association Quick reference to the diagnosetic criteria from DSM - III- R [ M ]. Washington DC : American Psychiatric Association , 1987 : 107 - 108.
10Marsch LA. The efficacy of methadone maintenance interventions in reducing illicit opiate use, HIV risk behavior and criminality : a meta - analysis[J]. Addiction, 1998, 93(4) : 515 -532.