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. 2015 Jun 18;10(6):e0130301. doi: 10.1371/journal.pone.0130301

Fig 3. Box and whisker plot showing the distribution of low risk and high risk samples for m/z 62 and m/z 94 using the O2 + precursor ion.

Fig 3

CPS = counts per second, LR = low risk, HR = high risk.