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. 2014 Nov 6;9(11):e112343. doi: 10.1371/journal.pone.0112343

Figure 2. UPLC-MS/MS MRM chromatograms for cephapirin (a) in a blank urine sample (urine from a dairy cow not treated with cephapirin), (b) in blank urine spiked with cephapirin at 10LOQ, (c) in a urine sample collected from a dairy cow 4 h after cephapirin was administrated.

Figure 2