1. Horgan CM: Need and access to drug abuse treatment, in Egertson JA, Fox DM, Leshner AI, (eds): Treating Drug Abusers Effectively. Malden, MA, Blackwell Publishers, Inc., 1997.
2. Regier DA, Narrow WE, Rae DS: The defacto US mental and addictive disorders service system: epidemiologic catchment area prospective 1-year prevalence rates of disorders and services. Archives of General Psychiatry, 50(2):85–94, 1993.
3. Babor TF: Alcohol and substance abuse in primary care settings, in Mayfield J, Grady ML (eds): Conference Proceedings: Primary Care Research, An Agenda for the 90s. DHHS Pub. No. (PHS)90-3460, 1990.
4. D’Aunno T Linking substance-abuse treatment and primary health care, in Egertson JA, Fox DM, Leshner AI (eds): Treating Drug Abusers Effectively. Malden, MA, Blackwell Publishers, Inc., 1997.
5. Weisner C, Schmidt LA: A Frameworkfor Evaluating Research on Access and Utilization of DrugAbuse Services. Background paper prepared for NIDA Health Services Research Program. Presented at NIDA Planning Meeting on the Financing, Management, and Organization of Care. Bethesda, MD, January 1994.