@article{erdemir_yildiz_eren_ozel_2013,  title={Surface hardness evaluation of different composite resin materials: influence of sports and energy drinks immersion after a short-term period},  volume={21},  ISSN={1678-7757},  url={https://doi.org/10.1590/1678-7757201302185},  DOI={10.1590/1678-7757201302185},  number={2},  journal={Journal of Applied Oral Science},  publisher={Faculdade De Odontologia De Bauru - USP},  author={Erdemir, Ugur and Yildiz, Esra and Eren, Meltem Mert and Ozel, Sevda},  year={2013},  month={Mar},  pages={124–131} }