Rotarians undertake polio immunization effort in support of WHO's 'expanded programme'.
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Smith
D002648:Child; D003906:Developing Countries; D006801:Humans; D007114:Immunization; D011051:Poliomyelitis / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated; D014944:World Health Organization
D011054:Poliovirus Vaccine, Inactivated