The laryngoscope : directions for its use, and practical illustrations of its value in the diagnosis and treatment of diseases of the throat and nose two lectures delivered at the Royal College of Physicians / by George Johnson.

Licence: Public Domain Mark

Credit: The laryngoscope : directions for its use, and practical illustrations of its value in the diagnosis and treatment of diseases of the throat and nose two lectures delivered at the Royal College of Physicians / by George Johnson. Source: Wellcome Collection.