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. Author manuscript; available in PMC: 2015 Aug 22.
Published in final edited form as: Clin Chem. 2013 Oct 23;60(2):307–322. doi: 10.1373/clinchem.2013.209676

Fig. 1. Median cocaine, BE, and ecgonine methyl ester OF and plasma concentrations after a single subcutaneous cocaine dose of 75 mg/70 kg (low dose n = 19 for OF, 17 for plasma) or 150 mg/70 kg (high dose, n = 14 for OF, 13 for plasma).

Fig. 1

Bars are interquartile ranges. Asterisks indicate that all subsequent samples contained less than 2.5 μg/L cocaine. Dotted lines indicate the following cutoff concentrations: limits of quantification (2.5 μg/L), SAMHSA (8 μg/L), and DRUID (10 μg/L) Reproduced with permission from Scheidweiler et al. (14).