@article{guimarães_morais_souza_elias_2013,  title={Superficial morphology and mechanical properties of in vivo aged orthodontic ligatures},  volume={18},  ISSN={2176-9451},  url={https://doi.org/10.1590/S2176-94512013000300017},  DOI={10.1590/S2176-94512013000300017},  number={3},  journal={Dental Press Journal of Orthodontics},  publisher={Dental Press International},  author={Guimarães, Glaucio Serra and Morais, Liliane Siqueira de and Souza, Margareth Maria Gomes de and Elias, Carlos Nelson},  year={2013},  month={May},  pages={107–112} }