TY  - RPRT
TI  - Counting immunisations.
AU  - K P Goldstein
AU  - R S Daum
PY  - 1994
DO  - 10.1016/s0140-6736(94)92752-9
UR  - https://pubmed.ncbi.nlm.nih.gov/7912760/
ID  - 7912760
ER  -