TY  - RPRT
TI  - Smallpox and smallpox vaccination policy.
AU  - J M Lane
AU  - J D Millar
AU  - J M Neff
PY  - 1971
DO  - 10.1146/annurev.me.22.020171.001343
UR  - https://pubmed.ncbi.nlm.nih.gov/4400439/
ID  - 4400439
ER  -