TY  - RPRT
TI  - What causes whooping-cough?
AU  - E H Gillespie
PY  - 1971
DO  - 10.1016/s0140-6736(71)90816-6
UR  - https://pubmed.ncbi.nlm.nih.gov/4099252/
ID  - 4099252
ER  -