Files245793.pdf Restricted Access Adobe PDF632.37 KBRequest a copyDetailsAuthorsBertrand, BernardUCLouvainAuthorAffiliationsUCLouvainMD/NOPS - Département de neurologie et de psychiatrieUCLouvain(MGD) Service d'oto-rhino-laryngologieShow moreCitations APA Chicago FWB Bertrand, B. (1997). Introduction. Acta Oto-Rhino-Laryngologica Belgica, 51, 199. https://hdl.handle.net/2078.5/113955 (Original work published 1997)