Koch, Hjalmar. <br/><br/>
Allergical investigations of chronic otitis. 

 - Lund,  Ohlsson,  1947. 
 - 201 p.  ill. 
 - Acta oto-laryngologica.  Supplementum  62 .
<br/><br/>"References": p. [194]-201. 
<br/><br/><label>LCCN: </label>med48001383  
<br/><br/><label>LC Class. No.: </label>RF123  / .K73 1947 
<br/><br/><label>National Library of Medicine Call No.: </label>W1  / AC8942 no.62