TY  - RPRT
TI  - US military smallpox vaccination program experience.
AU  - John D Grabenstein
AU  - William Winkenwerder
PY  - 2003
DO  - 10.1001/jama.289.24.3278
UR  - https://pubmed.ncbi.nlm.nih.gov/12824209/
ID  - 12824209
ER  -