Vaccination certificate requirements for international travel : situation as on 1 January.

Bibliographic Details
Format: Book
Language:English
Published: Genève : World Health Organization, 1977-.
Subjects:
Description
Item Description:La Biblioteca contiene: 1977, 1978, 1979, 1980.
Texto en ingles y frances.
Physical Description:volúmenes : ilustraciones ; 24 cm.
ISBN:9240580085