TY  - RPRT
TI  - Mass polio vaccination.
AU  - J Chander
AU  - S Subrahmanyan
PY  - 1996
DO  - 10.1136/bmj.312.7040.1178
UR  - https://pubmed.ncbi.nlm.nih.gov/8634552/
ID  - 8634552
ER  -