title: [Proceedings of the 69th annual meeting of the German Society for ENT and for Head and Neck Surgery. 20-24 May 1998, Hannover, Germany].
mesh_terms: D006258:Head and Neck Neoplasms / Q000601:surgery*; D006801:Humans; D010038:Otorhinolaryngologic Diseases / Q000175:diagnosis / Q000628:therapy; D013517:Otorhinolaryngologic Surgical Procedures