title: Lack of money and poor security are barriers to global eradication of polio.
authors.forename: Anne
authors.initials: A
authors.lastname: Gulland
mesh_terms: D000346:Afghanistan / Q000453:epidemiology; D002596:Chad / Q000453:epidemiology; D003906:Developing Countries; D006801:Humans; D007391:International Cooperation; D032541:Mass Vaccination / Q000191:economics*; D009549:Nigeria / Q000453:epidemiology; D010154:Pakistan / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D012637:Security Measures; D006113:United Kingdom; D014857:Warfare