TY  - RPRT
TI  - Vaccine-preventable disease and immunization in the developing world.
AU  - K J Bart
AU  - K F Lin
PY  - 1990
DO  - 10.1016/s0031-3955(16)36913-9
UR  - https://pubmed.ncbi.nlm.nih.gov/2190145/
ID  - 2190145
ER  -