1. Tympanometry in 2-year-old children;Tos, M.; Poulsen, G.; Borch, J.;ORL,1978
2. Erfahrungen mit der tympanometrie beim chronischen tubenmittelohrkatarrh;Spillmann, T.;ORL
3. Impedance audiometry in serous otitis media;Orchik, D.J.; Morff, R.; Dunn, J.W.;Arch Otolaryngol,1978
4. Middle-ear impedance measurements in screening;Brooks, D.N.;Audiology,1977
5. Middle ear effusions: complications of disease and treatment;Palva, T.; Kokko, E.;J Otolaryngol,1976