@article{articleec4a1a09,
title   = {Juvenile Nasopharyngeal Angiofibroma with intradural extension},
author = {Ramos, Henrique Faria and Takahashi, Marystella Tomoe and Ramos, Bernardo Faria and Gomes, Marcos de Queiroz Teles and Sennes, Luiz Ubirajara},
year = {2011},
doi = {10.1590/s1808-86942011000500025},
journal   = {Brazilian Journal of Otorhinolaryngology}
}