Politzer's text-book of the diseases of the ear and adjacent organs : for students and practitioners / translated at the request of Professor Politzer and edited by James Patterson Cassells.

Public Domain Mark

You can use this work for any purpose without restriction under copyright law. Read more about this licence.

Credit

Politzer's text-book of the diseases of the ear and adjacent organs : for students and practitioners / translated at the request of Professor Politzer and edited by James Patterson Cassells. Public Domain Mark. Source: Wellcome Collection.