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2. Cholesteatoma and chronic otitis media following middle ear intubation;Richard;Laryngoscope,1981
3. Cholesteatoma nach paukendrainagen;Schwerdtfeger;Hals-Nase-Ohr-Praxis,1981
4. Preoperative ear histories in children with acquired cholesteatoma;Grenman;Acta Otolaryngol.,1982
5. Tubal closing failure in retraction type cholesteatoma and adhesive middle ear lesions;Magnuson;Acta Otolaryngol.,1978