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
                        AuthID
P-003-W1D
                
    P-003-W1D
 
    
                     
    
                     
    
                     
    
                     
                    