References
- Budd R. D. Drug use trends among Los Angeles County probationers over the last five years. Am. J. Drug Alcohol Abuse 1980; 7(1)57–62
- Jain N. C., Leung W. J., Budd R. D., Sneath T. C. Thin‐layer chromatographic screening and confirmation of basic drugs of abuse in urine. J. Chromatogr. 1975; 115: 519–526
- Sunshine L. Use of thin‐layer chromatography in the diagnosis of poisoning. Am. J. Clin. Pathol. 1963; 40: 576–582
- Wahl K., Rejent T. Identification of drugs of abuse in urine using single development thin‐layer chromatography. J. Anal. Toxicol. 1979; 3: 216–217
- Abuscreen. Radioimmunoassay for Phencyclidine (PCP), Roche Diagnostics. Division of Hofmann‐LaRoche, Nutley, New Jersey 1979
- Emit‐d.a.u., Phencyclidine Urine Assay. Syva Corp., Palo Alto, California 1979
- Jain N. C., Leung W. J., Sneath T. C., Budd R. D., Chinn D. A comparison of methods used in the detection of methadone and its primary metabolite. J. Anal. Toxicol., J. 1977; 6–9