@article{petrovic_shamsian_hopp_vardanyan_2020,  title={Evaluating the Efficacy and Trend of Sinus Surgery},  volume={24},  ISSN={1809-4864},  url={https://doi.org/10.1055/s-0039-3402436},  DOI={10.1055/s-0039-3402436},  number={4},  journal={International Archives of Otorhinolaryngology},  publisher={Fundação Otorrinolaringologia},  author={Petrovic, Masa and Shamsian, Arash and Hopp, Martin L. and Vardanyan, Narine},  year={2020},  month={Oct},  pages={407–412} }