SeungKyung Baeck

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The effects of repeated hair washing and a single hair dyeing on concentrations of methamphetamine (MA) and amphetamine (AM) in hair samples of MA addicts were studied. Thirty-one MA positive hair samples collected from male (n = 24, 24-51 yrs) and female abusers (n = 7, 17-46 yrs) were evaluated for MA and AM concentration's changes after repeated hair(More)
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