title: Battling polio in Pakistan: breaking new ground.
authors: Omer
authors: O
authors: Afzal
authors: Mohammad A
authors: MA
authors: Rai
mesh_terms: D006801:Humans; D017589:Immunization Programs / Q000639:trends*; D010154:Pakistan / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D011159:Population Surveillance; D012940:Social Problems