TY  - RPRT
TI  - Considerations for combination vaccine development and use in the developing world.
AU  - J L Di Fabio
AU  - C de Quadros
PY  - 2001
DO  - 10.1086/322571
UR  - https://pubmed.ncbi.nlm.nih.gov/11709770/
ID  - 11709770
ER  -