References
- Abuscreen Radioimmunoassay for Cocaine Metabolite (125I). Roche Diagnostics, Division of Hoffmann-La Roche Inc., Nutley, New Jersey 1978
- Wallace J. E., Hamilton H. E., Schwertner H., King D. A., McNay J. L., Blum K. Thin-layer chromatographic analysis of cocaine and benzoylecgonine in urine. J. Chromatogr. 1975; 114: 433–441
- Mulé S. J., Jukofsky D., Kogan M., DePace A., Verebey K. Evaluation of the radioimmunoassay for benzoylecgonine (a cocaine metabolite) in human urine. Clin. Chem. 1977; 23: 796–801