@article{de freitas_santos_figueiredo_sampaio_2016,  title={Analysis of the main surgical techniques for hemorrhoids},  volume={36},  ISSN={2237-9363},  url={https://doi.org/10.1016/j.jcol.2015.12.008},  DOI={10.1016/j.jcol.2015.12.008},  number={2},  journal={Journal of Coloproctology (Rio de Janeiro)},  publisher={Sociedade Brasileira de Coloproctologia},  author={de Freitas, Magno Otávio Salgado and Santos, Jaciara Aparecida Dias and Figueiredo, Maria Fernanda Santos and Sampaio, Cristina Andrade},  year={2016},  month={Apr},  pages={104–114} }