000
00311nam a2200121Ia 4500
100
_a
WHO
020
_a
92-4-158037 2
942
_c
BK
245
_a
International travel and health:Situation as on I january 2006
260
_a
World health organization, Geneva
_c
2006
082
_a
614.47 Who
300
_a
vii,202p
999
_c
44709
_d
44709