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Credit
Die Ohrenheilkunde in den Jahren 1849 und 1850 : ein wissenschaftliches Zeitbild / von W. Kramer. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.