RADIOEAR hearing aid, model 82 (zephyr).  [electronic resource] 

 -  Journal of the American Medical Association  Mar 1953 
 - 913 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9955 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hearing Aids<br/>Humans<br/>Ivermectin