International travel and health : vaccination requirements and health advice.
Title:
International travel and health : vaccination requirements and health advice.
Author:
World Health Organization.
Corporate Author:
Publication Information:
Geneva : World Health Organization, [1999]
©1999
Physical Description:
108 pages : maps ; 21 cm
General Note:
"Situation as on 1 January 1999."
Language:
English
Format :
Book