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. 2014 Jul 25;9(7):e98462. doi: 10.1371/journal.pone.0098462

Figure 3. The FT-Raman spectra of a modern pig bone and the bone sample from Burial 511 from Ban Non Wat (Raman ID 41), one of the 6 bones that displayed high protein content relative to the other Ban Non Wat specimens.

Figure 3

The spectra have been normalised to the phosphate symmetric stretch and offset for comparison.