WHO <br/><br/>
Vaccination certificate requirements and health advice for International travel : situation as on 1 January 1988 

 - auth., Geneva  1988 
 - 85p 
<br/><br/><label>ISBN: </label>92-4-158013-5 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Health & Hygiene
<br/><br/><label>Dewey Class. No.: </label>616.9802 WHO