World Health Organization <br/><br/>
International travel and health : vaccination requirements and health advice : situation as on 1 January 1998 

 - WHO, Geneva  c1998 
 - 108p 
<br/><br/><label>ISBN: </label>92-4-158023-2 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Health & Hygiene
<br/><br/><label>Dewey Class. No.: </label>616.9802 WHO