International travel and health.
International travel and health.
- Geneva : World Health Organization, (c)1989-]
- volume : illustrations, maps (some folded) ; 21 cm.
- Annual
International travel regulations--Periodicals.
Travel--Health aspects--Periodicals.
Vaccination--Law and legislation--Periodicals.
RA638 / .I584 1989 RA638
International travel regulations--Periodicals.
Travel--Health aspects--Periodicals.
Vaccination--Law and legislation--Periodicals.
RA638 / .I584 1989 RA638