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Table 5 Intra-day (n = 3) and inter-day (n = 3) precision measurements of heavy tracers of glucagon spiked-in to pooled reference plasma

From: 13C15N: glucagon-based novel isotope dilution mass spectrometry method for measurement of glucagon metabolism in humans

FF glucagon Conc. (pg/ml)

Intra-day precision, CV (%)

Inter-day precision, CV (%)

13.3

5.2

15.9

40

5.6

13.6

FFLA glucagon Conc. (pg/ml)

Intra-day precision, CV (%)

Inter-day precision, CV (%)

13.3

3.9

22.9

40

4.9

18.9