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. 2014 Feb 13;9(2):e87436. doi: 10.1371/journal.pone.0087436

Table 4. Diet-to-tissue offset and weight contribution of the different food fractions towards a dietary proxy signal.

Dietary proxy Offset Weight contribution
Bulk Protein Energy
13Ccoll 4.8(0.5) 0(−) 74(4) 26(−)
15Ncoll 3.6(1.2) 0(−) 100(−) 0(−)
13Cglu 9.2(1.8) 100(−) 0(−) 0(−)

Values in parentheses represent uncertainty. When a dash sign is used this indicates that the uncertainty was considered negligible.