TY  - RPRT
TI  - The need for combination vaccines.
AU  - S L Katz
AU  - G Gorlick
PY  - 1996
DO  - 10.1001/archpedi.1996.02170280100025
UR  - https://pubmed.ncbi.nlm.nih.gov/8603236/
ID  - 8603236
ER  -