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2. Centers for Disease Control and Prevention. Report to Congress on Section 317 immunization program, February 2009. Available at: www.317coalition.org/legislativeupdate/senate317reportfinal.pdf. Accessed April 21, 2009
3. Association of Immunization Managers; University of Michigan Child Health Evaluation and Research Unit. Private provider vaccine supply policy. Available at: www.immunizationmanagers.org/about/state_programs.phtml. Accessed January 8, 2009
4. Lee GM, Santoli JM, Hannan C, et al. Gaps in vaccine financing for underinsured children in the United States. JAMA. 2007;298(6):638–643
5. Centers for Disease Control and Prevention. CDC vaccine price list. Available at: www.cdc.gov/vaccines/programs/vfc/cdc-vac-price-list.htm. Accessed January 8, 2009