1. Follow-up on welfare benefits received by job club clients;Azrin;J. Vocat. Behav.,1981
2. The characteristics of 633 patients in methadone treatment in three U.S. cities;Ball;Report from the University of Maryland School of Medicine, Dept. of Epidemiology and Preventive Medicine,1986
3. Work incentive policies: An evaluation of their effects on welfare women's choice;Ballou;J. Sociol. Social Welfare,1977
4. Employment patterns of methadone maintenance clients;Bloch,1977
5. Impact of a multimodality treatment program for heroin addicts;Brown;Comprehen. Psychiatr.,1972