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WHO Expanded Programme on Immunization ,  [Répondre à une flambée épidémique suspectée de polio : enquête sur les cas, surveillance et contrôle, liste de contrôle du responsable]

WHO Expanded Programme on Immunization ,  [Guidelines for WHO/EPI collaborative studies on poliomyelitis: standard procedure for determining immunity to poliovirus using the microneutralization test]

WHO Expanded Programme on Immunization ,  World Health Organization. Division of Communicable Diseases ,  [Guide des méthodes de diagnostic virologique applicables à la poliomyélite, Global poliomyelitis eradication by the year 2000]

WHO Expanded Programme on Immunization ,  [Guidelines for WHO/EPI collaborative studies on poliomyelitis: standard procedure for determining immunity to poliovirus using the microneutralization test]