@article{ramos_machado_merhi_aquino_2022,  title={Prognostic analysis of lymph node ratio of patients with disease recurrence previously submitted to cervical dissection surgery for head and neck cancer},  volume={49},  ISSN={0100-6991},  url={https://doi.org/10.1590/0100-6991e-20223178-en},  DOI={10.1590/0100-6991e-20223178-en},  journal={Revista do Colégio Brasileiro de Cirurgiões},  publisher={Colégio Brasileiro de Cirurgiões},  author={RAMOS, JOÃO PAULO ZENUN and MACHADO, FELIPE RAULE and MERHI, VANIA APARECIDA LEANDRO and AQUINO, JOSÉ LUÍS BRAGA DE},  year={2022},  pages={e20223178} }