A practical treatise on the diseases of the ear : including a sketch of aural anatomy and physiology / by D.B. St. John Roosa.
License information
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
A practical treatise on the diseases of the ear : including a sketch of aural anatomy and physiology / by D.B. St. John Roosa. Credit: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.. Public Domain Mark