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Lewis, R.J.; Johnson, R.D.; Angier, M.K.; Ritter, R.M., Determination of cocaine, its metabolites, pyrolysis products, and ethanol adducts in postmortem fluids and tissues using Zymark automated solid-phase extraction and gas chromatography-mass spectrometry, J. Chromatogr. B, 2004, 806, 2, 141-150, https://doi.org/10.1016/j.jchromb.2004.03.045 . [all data]