Polio immunization.
Arita
I
I
Nakane
M
M
D006801:Humans; D017589:Immunization Programs; D007194:India; D011051:Poliomyelitis / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage; D011156:Population Density; D012899:Smallpox / Q000517:prevention & control
D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral