@article{vieira_fidel junior_figueredo_fischer_2009,  title={Clinical evaluation of a dermic allograft in procedures to increase attached gingiva width},  volume={20},  ISSN={0103-6440},  url={https://doi.org/10.1590/S0103-64402009000300003},  DOI={10.1590/S0103-64402009000300003},  number={3},  journal={Brazilian Dental Journal},  publisher={Fundação Odontológica de Ribeirão Preto},  author={Vieira, Ésio de Oliveira and Fidel Junior, Rivail Antonio Sergio and Figueredo, Carlos Marcelo da Silva and Fischer, Ricardo Guimarães},  year={2009},  pages={191–194} }