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GC-MS determination of amphetamine and methamphetamine in human urine for 12 hours following oral administration of dextro-methamphetamine: lack of evidence supporting the established forensic guidelines for methamphetamine confirmation.
Valentine JL, Kearns GL, Sparks C, Letzig LG, Valentine CR, Shappell SA, Neri DF, DeJohn CA. Valentine JL, et al. Among authors: shappell sa. J Anal Toxicol. 1995 Nov-Dec;19(7):581-90. doi: 10.1093/jat/19.7.581. J Anal Toxicol. 1995. PMID: 8577182 Clinical Trial.
Coding Human Factors Observations in Surgery.
Cohen TN, Wiegmann DA, Reeves ST, Boquet AJ, Shappell SA. Cohen TN, et al. Among authors: shappell sa. Am J Med Qual. 2017 Sep/Oct;32(5):556-562. doi: 10.1177/1062860616675230. Epub 2016 Oct 25. Am J Med Qual. 2017. PMID: 27784757
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