MESSINA, D <br/><br/>
[ON HEARING DEFECT IN TELEPHONE WORKERS].  [electronic resource] 

 -  Il Valsalva  Feb 1964 
 - 45-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0042-2371 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audiometry<br/>Deafness<br/>Hearing Tests<br/>Humans<br/>Legislation as Topic<br/>Occupational Diseases<br/>Telephone