@article{costa_marcondes_sakano_kara-josé_2007,  title={Endoscopic study of the intranasal ostium in external dacryocystorhinostomy postoperative. Influence of saline solution and 5-fluorouracil},  volume={62},  ISSN={1807-5932},  url={https://doi.org/10.1590/S1807-59322007000100007},  DOI={10.1590/S1807-59322007000100007},  number={1},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Costa, Marilisa Nano and Marcondes, Ana Maria and Sakano, Eulalia and Kara-José, Newton},  year={2007},  month={Feb},  pages={41–46} }