TY  - RPRT
TI  - Active immunization against poliomyelitis.
AU  - S GARD
PY  - 1956
DO  - 10.1111/j.1600-0463.1956.tb06722.x
UR  - https://pubmed.ncbi.nlm.nih.gov/13372254/
ID  - 13372254
ER  -