TY  - RPRT
TI  - Immunisation practice in developed countries.
AU  - A R Hinman
AU  - W A Orenstein
PY  - 1990
DO  - 10.1016/0140-6736(90)90814-l
UR  - https://pubmed.ncbi.nlm.nih.gov/1969069/
ID  - 1969069
ER  -