Research Article

The Determination of Polymyxin B in Critically Ill Patients by the HPLC-MS/MS Method

Figure 3

The chromatograms of PB and IS in human plasma. The left is PB1/PB1-I; the middle is PB2/PB3; and the right is IS. (a) Blank plasma sample; (b) plasma standard of LLOQ; (c) plasma standard of ULOQ; (d) clinical plasma sample.
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