Utility of coloured hair for the detection of drugs and alcohol.

@article{Agius2014UtilityOC,
  title={Utility of coloured hair for the detection of drugs and alcohol.},
  author={Ronald Agius},
  journal={Drug testing and analysis},
  year={2014},
  volume={6 Suppl 1},
  pages={110-9}
}
The aim of this paper is to assess the utility of coloured hair for the detection of drugs and alcohol in a large statistically significant population. The positivity rate, the 1st, 5th, 50th, 95th, and 99th percentiles of five amphetamines, cannabinoids, cocaine, four opiates, methadone, buprenorphine, seven benzodiazepines, and ethyl glucuronide (EtG) in 9488 non-treated and 1026 cosmetically treated (dyed or bleached) authentic hair samples was compared. Analytical methods used were… CONTINUE READING
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