TY  - RPRT
TI  - TYPE-SPECIFIC IMMUNITY AGAINST WHOOPING-COUGH.
AU  - N W PRESTON
PY  - 1963
DO  - 10.1136/bmj.2.5359.724
UR  - https://pubmed.ncbi.nlm.nih.gov/14043733/
ID  - 14043733
ER  -