title: Polio vaccination workers gunned down in Pakistan.
authors.forename: Haris
authors.initials: H
authors.lastname: Riaz
authors.forename: Anis
authors.initials: A
authors.lastname: Rehman
mesh_terms: D006282:Health Personnel; D006708:Homicide; D006801:Humans; D032541:Mass Vaccination; D010154:Pakistan; D011051:Poliomyelitis / Q000517:prevention & control*; D023481:Terrorism