@inproceedings{inproceedingsffb64c02, title = {Contact point headache: clinical and surgical aspects}, author = {Wiikmann, Christian and Lessa, Marcus Miranda and Santoro, PatrĂ­cia Paula and Imamura, Rui and Voegels, Richard Louis and Butugan, Ossamu}, year = {2000}, booktitle = {Congress of European Rhinologic Society} }