TY  - BOOK
ED  - Pan American Health Organization.
TI  - Poliomyelitis eradication: field guide
SN  - 9275116075
PY  - 2006///
CY  - Washington, D.C.
PB  - Pan American Health Organization
KW  - Poliomyelitis
KW  - epidemiology
KW  - prevention and control
KW  - Epidemiologic surveillance
KW  - Mass immunization
KW  - Poliovirus vaccines
KW  - Guidelines
UR  - http://apps.who.int/iris/
ER  -