TY  - RPRT
TI  - Smallpox vaccination--current problems and recommendations.
AU  - M E Doster
PY  - 1966
DO  - 10.1111/j.1746-1561.1966.tb05537.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5175349/
ID  - 5175349
ER  -