International travel and health :  situation as on 1 January 2010 

 - 2010 edition 
 - Geneva :  WHO,  2010. 
<br/><br/><label>ISBN: </label>9789241580458 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communicable Disease Control<br/>Travel<br/>Vaccination<br/>Risk Factors