The possibility of obtaining marked improvement in the treatment of deafness and supposed deaf-mutism by acoustic gymnastics : a system of vocal training of the auditory nerve, as advocated by Professor Urbantschitsch of Vienna / by M.A Goldstein.

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The possibility of obtaining marked improvement in the treatment of deafness and supposed deaf-mutism by acoustic gymnastics : a system of vocal training of the auditory nerve, as advocated by Professor Urbantschitsch of Vienna / by M.A Goldstein. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.