@article{aydin_2010,  title={Study of the structure of free radicals in gamma: irradiated amino acid derivatives},  volume={40},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332010000400013},  DOI={10.1590/S0103-97332010000400013},  number={4},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Aydin, Murat},  year={2010},  month={Dec},  pages={429–431} }