@article{qiao_bai_wang_li_zheng_2020,  title={Clinical effects of two combinations of olfactory agents on olfactory dysfunction after upper respiratory tract infection during olfactory training},  volume={66},  ISSN={0104-4230},  url={https://doi.org/10.1590/1806-9282.66.1.18},  DOI={10.1590/1806-9282.66.1.18},  number={1},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Qiao, Xiao-Feng and Bai, Yin-Huan and Wang, Guo-Ping and Li, Xin and Zheng, Wei},  year={2020},  month={Jan},  pages={18–24} }