Magnetic dispersive solid-phase extraction based on modified magnetic nanoparticles for the detection of cocaine and cocaine metabolites in human urine by high-performance liquid chromatography-mass spectrometry

2017 ◽  
Vol 40 (21) ◽  
pp. 4234-4245 ◽  
Author(s):  
Feiyu Yang ◽  
Yun Zou ◽  
Chunfang Ni ◽  
Rong Wang ◽  
Min Wu ◽  
...  
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