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2. Chatterjee , Siddarth 2012 As Deaths Mount in Pakistan, Ending Polio Becomes an Act of Courage. Forbes http://www.forbes.com/sites/realspin/2012/12/27/as-deaths-mount-in-pakistan-ending-polio-becomes-an-act-of-courage/
3. The Impact of Polio Eradication on Routine Immunization and Primary Health Care: A Mixed-Methods Study;Closser;Journal of Infectious Diseases,2014
4. Why We Must Provide Better Support for Pakistan's Female Frontline Health Workers;Closser;PLoS Medicine,2013