Commentary on "Active immunization against poliomyelitis".
Department of Pediatrics, Duke University Medical Center, Durham, NC 27710, USA.
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Katz
D006801:Humans; D007114:Immunization; D011051:Poliomyelitis / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated; D014613:Vaccines, Attenuated
D011054:Poliovirus Vaccine, Inactivated; D014613:Vaccines, Attenuated