Drug Monitoring in the Workplace: Results From the California Commercial Laboratory Drug Testing Project
Anglin, M. D. and Westland, C.A. (1989). Drug monitoring in the workplace: results from the California commercial laboratory drug testing project. In Drugs in the Workplace: Research and Evaluation Data (NIDA Research Monograph 91, pp. 81-96). Rockville, MD: National Institute on Drug Abuse.