International travel and health : situation as on 1 January 2002. 

 - 193p. 
<br/><br/><label>ISBN: </label>92-4-158027-5- 
<br/><br/><label>ISSN: </label>0254-296X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communicable disease control<br/>Travel<br/>Vaccination--Standards<br/>Risk factors