TY  - RPRT
TI  - Is poliomyelitis a serious problem in developing countries? The Vellore experience.
AU  - T K John
AU  - T J John
PY  - 1982
DO  - 10.1093/tropej/28.1.11
UR  - https://pubmed.ncbi.nlm.nih.gov/7097831/
ID  - 7097831
ER  -