The diagnosis and treatment of chronic nasal catarrh : three clinical lectures delivered at the College of Physicians and Surgeons, New York / by George Morewood Lefferts.

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The diagnosis and treatment of chronic nasal catarrh : three clinical lectures delivered at the College of Physicians and Surgeons, New York / by George Morewood Lefferts. 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.