TY  - RPRT
TI  - Are state immunization programs effective? Implications for the children's immunization initiative.
AU  - T L Kauf
DO  - 10.1016/s0149-2918(98)80143-4
UR  - https://pubmed.ncbi.nlm.nih.gov/9737839/
ID  - 9737839
ER  -