TY  - RPRT
TI  - Predicting residual immunity against smallpox.
AU  - Hiroshi Nishiura
AU  - Martin Eichner
PY  - 2007
DO  - 10.1086/509812
UR  - https://pubmed.ncbi.nlm.nih.gov/17152022/
ID  - 17152022
ER  -