%0 Journal Article %T Cocaine Hydroxy Metabolites in Hair: Indicators for Cocaine Use Versus External Contamination %A Scholz,, Clementine %A Quednow, Boris, B %A Herdener,, Marcus %A Kraemer,, Thomas %A Baumgartner, Markus, R %J Journal of Analytical Toxicology %V 43 %N 7 %@ 0146-4760 %D 2019-08-23 %I Oxford University Press %~ DeepDyve