TY  - RPRT
TI  - Vaccination against smallpox.
AU  - P R Gully
AU  - M J Wood
AU  - S S Bakhshi
PY  - 1981
DO  - 10.1136/bmj.282.6257.70-a
UR  - https://pubmed.ncbi.nlm.nih.gov/6778575/
ID  - 6778575
ER  -