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Anatomical researches on the deviations of the nasal septum : study of the difficulties which they occasion in operations, and especially in the catheterization of the eustachian tube, explanation of a new method for overcoming them / by B. Loewenberg. 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.