Darbo, E. G. <br/><br/>
"Eh?"  The truth about hearing aids ... 

 - New York,  Hobson book press,  1946. 
 - xxiii, 126 p.  ill. 
<br/><br/><label>LCCN: </label>med47000489  
<br/><br/><label>LC Class. No.: </label>RF300  / .D3 
<br/><br/><label>National Library of Medicine Call No.: </label>WV 274  / D213e 1946