Who. <br/><br/>
Tuberculosis and air travel Guidelines for Prefention and Control  Textual Documents 

 - 2nd ed. . 
 -  W.H.O.  2006 
 - 33. 
<br/><br/><label>ISBN: </label>9241545980   
<br/><br/><label>Dewey Class. No.: </label>614  / WHO