Verifying influenza and pneumococcal immunization status of children in 2009-2010 from primary care practice records and from the North Carolina Immunization Registry.
Poehling KA, Vannoy L, Peters TR. Verifying influenza and pneumococcal immunization status of children in 2009-2010 from primary care practice records and from the North Carolina Immunization Registry. N C Med J. 2013 May-Jun; 74(3):185-91.