title: Poliomyelitis in southern Africa.
authors.forename: C L
authors.initials: CL
authors.lastname: Crawford
authors.forename: M J
authors.initials: MJ
authors.lastname: Hobbs
mesh_terms: D000353:Africa, Southern; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D011051:Poliomyelitis / Q000517:prevention & control*; D014611:Vaccination; D014944:World Health Organization