World Health Organization  <br/><br/>
International travel and health :  situtation as on 1 Jan 2003 

 - 
 - Geneva  W H O  2003 
 - 193 p.  26 cm. 
 -   .
<br/><br/>  
<br/><br/>  Communicable Disease Control, Travel, Risk Factors 
<br/><br/><label>ISBN: </label>92 4 158028 3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Risk Factors<br/>Travel<br/>Communicable Disease Control
<br/><br/><label>Dewey Class. No.: </label>WA110  / WHO