Breda, MMenezes, APereira, SSilva, DPMoreira, FRamalho, SRibeiro, D2016-06-262016-06-262016ESPO 2016: 13th Congress of the European Society of Pediatric Otorhinolaryngology. 18-21 June 2016 CCB-Centro Cultural de Belém, Lisbon, Portugalhttp://hdl.handle.net/10400.23/1036engObstrução Nasalconference object