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Comparison of δ13C human hair values from various countries
Range of human hair δ13C values from the Netherlands (this study and previously published data41), and selected countries, such as Mexico,49 United States,53 Colombia,54 China,55 India,55 Mongolia,55 Pakistan.55 The data for all other countries are taken from the study by Lehn et al.56 All isotope values in per mil (‰).
