• Article

Simultaneous identification and quantitation of codeine and morphine in urine by capillary gas chromatography and mass spectroscopy

Bibliography

Paul, B. D., Mell Jr., L. D., Mitchell, J., Irving, J., & Novak, A. J. (1985). Simultaneous identification and quantitation of codeine and morphine in urine by capillary gas chromatography and mass spectroscopy. Journal of Analytical Toxicology, 9(5), 222-226.