1. Active immunization;American Academy of Pediatrics,2009
2. Centers for Disease Control and Prevention. General recommendations on immunization: recommendations of the Advisory Committee on Immunization Practices (ACIP). MMWR Recomm Rep 60(RR 2):1–60, 2011.
3. Recommended immunization schedules for persons aged 0 through 18 years: United States, 2011;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,2011
4. Recommended adult immunization schedule: United States, 2011;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,2011
5. Simultaneous administration of childhood vaccines: an important public health policy that is safe and efficacious;King;Pediatr Infect Dis J,1994