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- Publication:
- [Switzerland] : Association des médecins cantonaux suisses, Services de santé publique cantonaux, [1985]
- Subject(s):
- Poliomyelitis -- prevention & control
Mass Vaccination
Poliovirus Vaccines
- Publication:
- [Brazil] : SUDS-SP, Governo de São Paulo, [19--]
- Subject(s):
- Poliomyelitis -- prevention & control
Child Welfare
Mass Vaccination
Measles Vaccine
Measles -- prevention & control
Poliovirus Vaccines
- Publication:
- [Switzerland?] : Organização Mundial da Saúde, [1990]
- Subject(s):
- Poliomyelitis -- prevention & control
Mass Vaccination
Poliovirus Vaccines
- Publication:
- Nigeria : Johns Hopkins University, Population Communication Services, [1997]
- Subject(s):
- Mass Vaccination
Child Health Services
Poliomyelitis -- prevention & control
Poliovirus Vaccines
Nigeria
- Publication:
- Nigeria : Johns Hopkins University, Population Communication Services, 1997
- Subject(s):
- Mass Vaccination
Child Health Services
Poliomyelitis -- prevention & control
Poliovirus Vaccines
Nigeria
- Publication:
- Nigeria : Johns Hopkins University, Population Communication Services, 1997
- Subject(s):
- Mass Vaccination
Child Health Services
Poliomyelitis -- prevention & control
Poliovirus Vaccines
Nigeria
- Publication:
- Nigeria : Johns Hopkins University, Population Communication Services, 1997
- Subject(s):
- Mass Vaccination
Child Health Services
Poliomyelitis -- prevention & control
Poliovirus Vaccines
Nigeria