title: [Influential factors of immunologic effect of poliovirus vaccines].
authors.forename: F
authors.initials: F
authors.lastname: Cai
authors.forename: R Z
authors.initials: RZ
authors.lastname: Zhang
mesh_terms: D000367:Age Factors; D006801:Humans; D007117:Immunization, Secondary; D011055:Poliovirus Vaccine, Oral / Q000276:immunology*; D014611:Vaccination
chemical_list: D011055:Poliovirus Vaccine, Oral