TY  - RPRT
TI  - Pertussis vaccination.
AU  - A L Prensky
PY  - 1974
DO  - 10.1111/j.1469-8749.1974.tb03382.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4152994/
ID  - 4152994
ER  -