WHO <br/><br/>
International travel and health : vaccination requirements and health advice 

 - 13 
 - Geneva  World health organization  1991 
 - 94 
<br/><br/><label>ISBN: </label>9241580143 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacy Practice
<br/><br/><label>Dewey Class. No.: </label>615.4