A Simplified Procedure for the Determination of Free Codeine, Free Morphine, and 6-Acetylmorphine in Urine

By Fuller Dwain C.   Anderson William H.  

Journal of Analytical Toxicology, Vol. 16, Iss. 5, 1992-09 ,pp. : 315-318

Oxford University Press

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The Certification of Morphine and Codeine in a Human Urine Standard Reference Material

By Tai S.S.-C.   Christensen R.G.   Paule R.C.   Sander L.C.   Welch M.J.  

Journal of Analytical Toxicology, Vol. 18, Iss. 1, 1994-01 ,pp. : 7-12

Oxford University Press

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Electrospray LC–MS Method with Solid-Phase Extraction for Accurate Determination of Morphine-, Codeine-, and Ethylmorphine-Glucuronides and 6-Acetylmorphine in Urine

By Svensson J.-O.   Andersson M.   Gustavsson E.   Beck O.  

Journal of Analytical Toxicology, Vol. 31, Iss. 2, 2007-03 ,pp. : 81-86

Oxford University Press

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Extraction of Benzoylecgonine (Cocaine Metabolite) and Opiates (Codeine and Morphine) from Urine Samples Using the Zymark RapidTrace™

By Diamond Francis X.   Vickery William E.   Kanel John de  

Journal of Analytical Toxicology, Vol. 20, Iss. 7, 1996-11 ,pp. : 587-591

Oxford University Press

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An Evaluation of the Role of ROC Plots in the Prediction of Heroin Use from Total Codeine and Total Morphine Concentrations in Urine

By O'Neal Carol L.   Poklis Alphonse  

Journal of Analytical Toxicology, Vol. 22, Iss. 6, 1998-10 ,pp. : 487-492

Oxford University Press

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