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Cox, R.A.; Crifasi, J.A.; Dickey, R.E.; Ketzler, S.C.; Pshak, G.L., A single-step extraction for screening whole blood for basic drugs by capillary GC/NPD, J. Anal. Toxicol., 1989, 13, 4, 224-228, https://doi.org/10.1093/jat/13.4.224 . [all data]