TY  - RPRT
TI  - When, where, and how do immunizations fail?
AU  - A R Hinman
AU  - W A Orenstein
AU  - E A Mortimer
PY  - 1992
DO  - 10.1016/1047-2797(92)90074-z
UR  - https://pubmed.ncbi.nlm.nih.gov/1342333/
ID  - 1342333
ER  -