Ballantyne, John Chalmers <br/><br/>
Deafness/ 
John Chalmers Ballyntyne 
 - London:  J and A Churchill,  1960 
 - x, 254 p.:  ill.;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deafness<br/>Hearing disorders--Diagnosis<br/>Ear--Diseases--Diagnosis
<br/><br/><label>Dewey Class. No.: </label>617.89