8Piso B,Wild C.Decision support in vaccination policies[J].Vaccine,2009,27(43):5923-5928.
9World Health Organization.Vaccine Introduction Guidelines-Adding a vaccine to a national immunization programme:decisionand implementation[M].Geneva:WHO,2005.
10World Health Organizaiton.Vaccine Position Papers[EB/OL].[2014-05-09]http://www.who.int/immunization/documents/positionpapers/ en/.
