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. 2012 Nov 1;405(4):1237–1243. doi: 10.1007/s00216-012-6506-5

Table 4.

The number of peaks from the one brand that has an average that is a factor (2, 5 or 10) times higher than the average from the other brands

Peak ratio Number of peaks
2–5 26
5–10 1
>10 0

The results have been averaged over the three possible permutations