TY  - RPRT
TI  - Research in less-developed countries.
AU  - R Mohan
AU  - G Ranjith
PY  - 2001
DO  - 10.1016/s0140-6736(00)04446-9
UR  - https://pubmed.ncbi.nlm.nih.gov/11424282/
ID  - 11424282
ER  -