3ORENSTEIN WA,HINMAN AR.The immunization system in the United States:The role of school immunization laws.Vaccine,1999,17(Supple 3):19-24.
4LESTER R,NOLAN T.Proof of immunization status reguired for school entry.M ed J Austr,1993,159:564-565.
5VERNON TM,CONNER JS,SHAW BS,et al.An evaluation of three techniques for improving immunization levels in elementary schools.AJPH,1976,66:457-460.
6ANTHONY N,REED M,LEFF AM,et al.Immunization:Public health programming through law enforcement.Am J Public health,1977,67:763-764.
7MIDDAUGH JP,ZYLA LD.Enforcement of school immunization law in Alaska.JAMA,1978,239:2 128-2 130.
8ZELL ER,DIETZ V,STEVENSON J,et al.Low vaccination levels of US preschool children and school-age children:Restrospective assessment of vaccination coverage.JAMA,1994,271:833-839.
9CHUANG SK,LAU YL,LIM WL,et al.Mass measles immunization campaign:experience in the HongKong Special Administrative Region of China.Bull WHO,2002,80:585-595.