@article{Chikvaidze_2014,
title={Electron spin resonance (ESR/EPR) of free radicals observed in human red hair: a new,
simple empirical method of determination of pheomelanin/eumelanin ratio in hair},
volume={52},
ISSN={1097-458X},
url={http://dx.doi.org/10.1002/mrc.4075},
DOI={10.1002/mrc.4075},
number={7},
journal={Magnetic Resonance in Chemistry},
publisher={Wiley},
author={Chikvaidze,
Eduard N. and Partskhaladze,
Tamar M. and Gogoladze,
Temur V.},
year={2014},
month=apr,
pages={377–382} }