Smith, M. L., Shimomura, E., Paul, B. D., Cone, E. J., Darwin, W. D., & Huestis, M. A. (2010). Urinary Excretion of Ecgonine and Five Other Cocaine Metabolites Following Controlled Oral, Intravenous, Intranasal, and Smoked Administration of Cocaine.

Smith, Michael L., Eric Shimomura, Buddha D. Paul, Edward J. Cone, W. David Darwin, and Marilyn A. Huestis. Urinary Excretion of Ecgonine and Five Other Cocaine Metabolites Following Controlled Oral, Intravenous, Intranasal, and Smoked Administration of Cocaine. 2010.

Smith, Michael L., et al. Urinary Excretion of Ecgonine and Five Other Cocaine Metabolites Following Controlled Oral, Intravenous, Intranasal, and Smoked Administration of Cocaine. 2010.