Increased in carbon isotope ratios of Brazilian fingernails are

Isotope ratio mass spectrometry in forensic science applications - ScienceDirect

Digit data : Revista Pesquisa Fapesp

Background and the use of isoscapes in the Brazilian context: essential tool for isotope data interpretation and natural resource management

Homogeneous diet of contemporary Japanese inferred from stable isotope ratios of hair

Metal concentrations in the whole blood of farmers in southeast Brazil - ScienceDirect

Frequency histogram of   C (a) and  5 N (b) of in natura plants

Studies

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