(1963). Stapes Fixation by an Intra-Labyrinthine "Seedling" Neurofibroma as a Cause of Conductive Deafness in a Case of Von Recklinghausen's Disease. Acta Oto-Laryngologica: Vol. 56, No. sup183, pp. 62-65.
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C. S. Hallpike (1963) studied this question.