@article{mekhemar_el-agwany_radi_el-hady_2016,  title={Comparative study between benzydamine hydrochloride gel, lidocaine 5% gel and lidocaine 10% spray on endotracheal tube cuff as regards postoperative sore throat},  volume={66},  ISSN={0034-7094},  url={https://doi.org/10.1016/j.bjane.2014.09.007},  DOI={10.1016/j.bjane.2014.09.007},  number={3},  journal={Revista Brasileira de Anestesiologia},  publisher={Sociedade Brasileira de Anestesiologia},  author={Mekhemar, Nashwa Abdallah and El-agwany, Ahmed Samy and Radi, Wafaa Kamel and El-Hady, Sherif Mohammed},  year={2016},  month={May},  pages={242–248} }