TY  - RPRT
TI  - Pertussis in developed countries.
AU  - John B Robbins
AU  - Rachel Schneerson
AU  - Birger Trollfors
PY  - 2002
DO  - 10.1016/s0140-6736(02)09882-3
UR  - https://pubmed.ncbi.nlm.nih.gov/12241870/
ID  - 12241870
ER  -