TY  - RPRT
TI  - Defining delayed immunizations.
AU  - D A Varrasso
AU  - I Redlener
PY  - 1992
DO  - 10.1097/00006454-199210000-00022
UR  - https://pubmed.ncbi.nlm.nih.gov/1408498/
ID  - 1408498
ER  -