TY  - RPRT
TI  - Commentary: is pertussis disease increasing?
AU  - Kathryn M Edwards
AU  - Natasha B Halasa
PY  - 2004
DO  - 10.1093/ije/dyh066
UR  - https://pubmed.ncbi.nlm.nih.gov/15082641/
ID  - 15082641
ER  -