Direct and efficient liquid chromatographic-tandem mass spectrometric method for opiates in urine drug testing - importance of 6-acetylmorphine and reduction of analytes

2013 ◽  
Vol 6 (4) ◽  
pp. 317-324 ◽  
Author(s):  
Maria Andersson ◽  
Nikolai Stephanson ◽  
Inger Öhman ◽  
Tommy Terzuoli ◽  
Jonatan D Lindh ◽  
...  
2002 ◽  
Vol 48 (11) ◽  
pp. 2049-2051 ◽  
Author(s):  
Charles A Kroll ◽  
Mark J Magera ◽  
Janice K Helgeson ◽  
Dietrich Matern ◽  
Piero Rinaldo

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