TY  - SER
AU  - Williams, N.
TI  - Implementation of compulsory health legislation: Infant smallpox vaccination in England and wales, 1840-1890
PY  - 0101///0-1994
KW  - Smallpox - Prevention - Health aspects - 1840 to 1890 - England - Wales - Immunization- Vaccination act - Infants - Government policy
ER  -