"Shut your mouth and save your life" : being remarks on mouth-breathing and on some of its consequences, especially to the apparatus of hearing ; a contribution to the ætiology of ear-disease / by James Patterson Cassells.
License information
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
"Shut your mouth and save your life" : being remarks on mouth-breathing and on some of its consequences, especially to the apparatus of hearing ; a contribution to the ætiology of ear-disease / by James Patterson Cassells. Credit: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.. Public Domain Mark