Increased in carbon isotope ratios of Brazilian fingernails are

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Can stable isotope analysis reveal dietary differences among groups with distinct income levels in the city of Piracicaba (southeast region, Brazil)? - Gragnani - 2014 - Journal of Human Nutrition and Dietetics - Wiley Online Library

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Mapping carbon and nitrogen isotopic composition of fingernails to demonstrate a rural–urban nutrition transition in the Center‐West, Northeast, and regions of Brazil - Nardoto - 2020 - American Journal of Physical

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Studies

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Carbon and nitrogen isotopic composition of commercial dog food in Brazil [PeerJ]

Increased in carbon isotope ratios of Brazilian fingernails are correlated with increased in socioeconomic status

PDF) Increased in carbon isotope ratios of Brazilian fingernails are correlated with increased in socioeconomic status