1. Druss B, Levinson C, Marcus S. Datapoints: employer-based mental health benefits: implications for mental health parity.Psychiatric Services. 2000;51:455.
2. Tucker JA, Davison JW. Waiting to see the doctor: the role of time constraints in the utilization of health and behavioral health services. In: Bickel WK, Vuchinich RE, eds.Reframing Health Behavior Change with Behavioral Economics. Mahwah, NJ: Lawrence Erlbaum Associates; 2000:219–264.
3. Clack RJ, Stone CT, Thurman CW. Waiting lists at university and college counseling centers: a national survey.Journal of College Student Personnel. 1984;25:45–49.
4. Center for Substance Abuse Treatment. Treatment demand exceeds availability.Substance Abuse in Brief. September 1999:1–4.
5. Humphreys K, Huebsch PD, Moos RH, et al. The transformation of the Veterans Affairs substance abuse treatment system.Psychiatric Services. 1999;50:1399–1401.