Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Tracheotomy in laryngeal diphtheria (membranous croup) with especial reference to after-treatment .. / by Robert William Parker. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.