Research Article

Effects of Dexmedetomidine on the Pharmacokinetics of Parecoxib and Its Metabolite Valdecoxib in Beagles by UPLC-MS/MS

Figure 2

Representative chromatograms in negative ion mode: (a) a blank plasma sample; (b) a blank plasma sample spiked with parecoxib, valdecoxib, and IS; (c) a beagle plasma sample 3.0 h after injection of parecoxib.
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(b)
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