title: A war within a war.
authors.forename: Leslie
authors.initials: L
authors.lastname: Roberts
mesh_terms: D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D006801:Humans; D007391:International Cooperation; D032541:Mass Vaccination; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral; D011057:Politics; D012036:Refugees; D013593:Syria / Q000453:epidemiology; D014857:Warfare; D014944:World Health Organization
chemical_list: D011055:Poliovirus Vaccine, Oral