International travel and health: situation as on 1 January 2009.
International travel and health: situation as on 1 January 2009.
- Geneva : World Health Organization, 2009.
- x, 239 p. : ill. ; 21 cm.
Includes bibliographical references and index
9789241580427
Communicable Disease Control
Vaccination-- standards
Risk factors
WHO / WA 110 In8 2009
Includes bibliographical references and index
9789241580427
Communicable Disease Control
Vaccination-- standards
Risk factors
WHO / WA 110 In8 2009