1. Therapeutic communities vs. methadone maintenance;Bale;Archives of General Psychiatry,1980
2. Success and failure in rehabilitation: The case of methadone maintenance;Ben-Yehuda;American Journal of Community Psychology,1981
3. Therapist variables in psychotherapy process and outcome;Beutler,1986
4. Employment patterns of methadone maintained clients;Bloch;Drug Forum,1977
5. Methadone maintenance: Measuring treatment outcomes;Curtis;New York State Journal of Medicine,1978