International travel and health  situation as on 1 January 2002 
World Health Organization. 
 - Geneva  World Health Organization  c2011. 
 - xi, 254p.: ill.; 23cm. 
<br/><br/><label>ISBN: </label>9789241580465 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communicable Disease control Vaccination. 
<br/><br/><label>Dewey Class. No.: </label>362.1969  / I05I