TY  - RPRT
TI  - 1998 immunization schedule changes and clarifications.
AU  - S Humiston
AU  - W Atkinson
PY  - 1998
DO  - 10.3928/0090-4481-19980601-08
UR  - https://pubmed.ncbi.nlm.nih.gov/9648168/
ID  - 9648168
ER  -