Increased in carbon isotope ratios of Brazilian fingernails are

Global spatial distributions of nitrogen and carbon stable isotope ratios of modern human hair - Hülsemann - 2015 - Rapid Communications in Mass Spectrometry - Wiley Online Library

Heavy and Light Beer: A Carbon Isotope Approach To Detect C4 Carbon in Beers of Different Origins, Styles, and Prices

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

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Box-whisker of   C (a) and  5 N (b) of in natura plants used as

ESSD - World Atlas of late Quaternary Foraminiferal Oxygen and Carbon Isotope Ratios

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Hydrogen and oxygen isotope ratios in human hair are related to geography

The potential for a carbon stable isotope biomarker of dietary sugar intake - Journal of Analytical Atomic Spectrometry (RSC Publishing) DOI:10.1039/C3JA50339A

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

Longitudinal isotope ratio variations in human hair and nails - ScienceDirect

Variation in δ 13 C Values of Various Carbo-Containing Ingredients of Beer

Stable isotopes in hair reveal dietary protein sources with links to socioeconomic status and health