Simultaneous Determination of Theobromine, Paraxanthine, Theophylline, and Caffeine in Urine by Reversed-Phase High-Performance Liquid Chromatography with Diode Array UV Detection

2010 ◽  
Vol 43 (16) ◽  
pp. 2518-2524 ◽  
Author(s):  
Ebru Büyüktuncel
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