 @article{cantürk_2016,  title={Answer to the question of Dr. Da-Qiang Zhao about hypobaric ropivacaine},  volume={66},  ISSN={0034-7094},  url={https://doi.org/10.1016/j.bjane.2016.04.004},  DOI={10.1016/j.bjane.2016.04.004},  number={5},  journal={Revista Brasileira de Anestesiologia},  publisher={Sociedade Brasileira de Anestesiologia},  author={Cantürk, Mehmet},  year={2016},  month={Sep},  pages={554–554} }