TY  - RPRT
TI  - Vaccination and the prevention problem.
AU  - Angus Dawson
PY  - 2004
DO  - 10.1111/j.1467-8519.2004.00414.x
UR  - https://pubmed.ncbi.nlm.nih.gov/15580722/
ID  - 15580722
ER  -