@article{wu_yu_lv_lu_he_2019,  title={Segmental resection combined with anoplasty for the treatment of circumferential mixed hemorrhoids},  volume={52},  ISSN={0100-879X},  url={https://doi.org/10.1590/1414-431X20198102},  DOI={10.1590/1414-431X20198102},  number={5},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Wu, Jing and Yu, Keqiang and Lv, Changyao and Lu, Wenzhu and He, Hongbo},  year={2019},  pages={e8102} }