References
- Butler W. P. Methods of Analysis for Alkaloids, Opiates, Marihuana, Barbiturates, and Miscellaneous Drugs. Internal Revenue Service, reprinted by the Bureau of Narcotics and Dangerous Drugs. 1967; 78
- Scott L. J. Specific field test for cocaine. Microgram, VI 1973; 179
- Drug Enforcement. Spring. 1974; 26
- Lorch S. K. Specificity problem with the cocaine specific field test, and its solution. Microgram, VII. 1974; 100
- , DEA undercover agent, personal communication
- The author wishes to acknowledge the cooperation of the Narcotics Section. Balboa Division, Canal Zone Police
- Sobol S. P., Moore R. A. BNDD Analytical Manual 1968; 116