@inproceedings{inproceedingsda057d2d,
title   = {Congenital choanal atresia: experience with 46 cases},
author = {Lessa, Marcus M. and Voegels, Richard L. and Butugan, Ossamu and Ikino, Cláudio M. Y.},
year = {2001},
booktitle   = {International Conference on Pediatric ORL}
}