title: Oral poliomyelitis vaccines.
authors.forename: R T
authors.initials: RT
authors.lastname: Chen
mesh_terms: D006801:Humans; D017589:Immunization Programs; D011051:Poliomyelitis / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral; D014481:United States
chemical_list: D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral