1. American Medical Association (1999). Physician Fee Schedule for New York State.
2. Bickman, L., Summerfelt, W. T., Firth, J. G., & Douglas, S. M. (1997). The Stark County evaluation project: Baseline results of a randomized experiment. In C. T. Nixon, & D. A. Northrup (Eds.), Evaluating mental health services: How do programs for children ‘work’ in the real world? pp. 231–258. Thousand Oaks, CA: Sage.
3. Boruch, R. F. (1997). Randomized experiments for planning and evaluation. Thousand Oaks, CA: Sage.
4. Validity of self-reported alcohol consumption in the emergency room: Data from the United States, Mexico, and Spain;Cherpital;Journal of Studies on Alcohol,1992
5. The therapeutic community: Study of effectiveness;De Leon,1984