Earliest evidence of primate captivity and translocation supports gift diplomacy between Teotihuacan and the Maya.

Proc Natl Acad Sci U S A · 2022 · PMC9704712 · PMID 36399550

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a positive trendno p-value reported

Both collagen and carbonate δ 13 C values showed a positive trend: a 7.1‰ δ 13 C collagen enrichment between the dentine and bone, a nearly 3‰ δ 13 C carbonate enrichment between E1-enamel and E2-enamel/E1-dentine, and a subsequent 4.5‰ enrichment with the bone sample.

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