Polio eradication strategy: need for re-appraisal.
Paul
Y
Y
D002648:Child; D006801:Humans; D007115:Immunization Schedule; D011051:Poliomyelitis / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*
D011055:Poliovirus Vaccine, Oral