Quantification of Warfarin in Dried Rat Plasma Spots by High-Performance Liquid Chromatography with Tandem Mass Spectrometry

Figure 1

Representative multiple-reaction monitoring chromatograms of blank plasma (a) and blank plasma spiked with 10.0 ng/mL warfarin (b) or 2.5 ng/mL internal standard (c).

(a)

(b)

(c)