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. 2016 Aug 10;11(8):e0160065. doi: 10.1371/journal.pone.0160065

Fig 3. Incremental dentine carbon (δ13C) and nitrogen (δ15N) isotope ratio profiles for juveniles from Kilkenny Union Workhouse aligned with the estimated calendar year of life: the blue vertical line denotes the introduction of maize as a C4 relief food in March 1846.

Fig 3