@article{articlef9187273,
title   = {Endoscopic study of the intranasal ostium in external dacryocystorhinostomy postoperative: influence of saline solution and 5-fluorouracil},
author = {Costa, Marilisa Nano and José, Newton Kara and Marcondes, Ana Maria and Sakano, Eulalia},
year = {2007},
doi = {10.1590/s1807-59322007000100007},
journal   = {Clinics}
}