1. Effect of patient reminder/recall interventions on immunization rates: a review;Szilagyi;JAMA,2000
2. Interventions aimed at improving immunization rates;Szilagyi;Cochrane Database Syst Rev,2002
3. Centers for Disease Control and Prevention. IIS state/territory/city registry staff—main and technical contacts. Available at: http://www.cdc.gov/vaccines/programs/iis/contacts-registry-staff.html#nh. Accessed September 16, 2015.
4. Immunization Information Systems annual reports,2014
5. Progress in Immunization Information Systems—United States, 2012;MMWR Morb Mortal Wkly Rep,2013