REFERENCES
- Cone, E. J. (1997). New developments in biological measures of drug prevalence. In L. Harrison & A. Hughes (Eds.), The validity of self-reported drug use: Improving the accuracy of survey estimates (pp. 108–129 ). Rockville, MD: National Institute on Drug Abuse.
- Fendrich, M., Johnson, T. P., Sudman, S., Wislar, J., & Spieler, V. (1999a). Validity of drug use reporting in a high-risk community sample: A comparison of cocaine and heroin survey reports of hair tests. American Journal of Epidemiology, 149: 955–62.
- Fendrich, M., Johnson, T. P., Wislar, J., & Sudman, S. (1999b). The feasibility of hair testing in a household survey on drug abuse. In T. Mieczkowski (Ed.), Drug testing methods: Assessment and evaluation (pp. 235–253 ). Boca Raton, FL: CRC Press.