scholarly journals Development and validation of an analytical method for the simultaneous determination of cocaine and its main metabolite, benzoylecgonine, in human hair by gas chromatography/mass spectrometry

2008 ◽  
Vol 22 (20) ◽  
pp. 3320-3326 ◽  
Author(s):  
M. Barroso ◽  
M. Dias ◽  
D. N. Vieira ◽  
J. A. Queiroz ◽  
M. López-Rivadulla
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