International travel and health :  vaccination requirements and health advice, situation as on 1 January 1994. 

 - Geneva :  World Health Organization ,  1994. 
 - 98 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>9241580194  RM21.56 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vaccination--Handbooks<br/>Travel--Handbooks<br/>World health--Handbooks<br/>Communicable Disease Control