TY  - RPRT
TI  - A simple smallpox vaccination technique.
AU  - M Grounds
PY  - 1972
DO  - 10.5694/j.1326-5377.1972.tb106588.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5024448/
ID  - 5024448
ER  -