Progress towards global eradication of poliomyelitis, 2002.
D019049:Developed Countries; D003906:Developing Countries; D014943:Global Health; D006801:Humans; D017589:Immunization Programs / Q000379:methods*; D010264:Paraplegia / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*; D011159:Population Surveillance
D011055:Poliovirus Vaccine, Oral