TY  - GEN
AU  - Niessen,W J M
AU  - Broer,J
AU  - Schellekens,J F P
TI  - [The obligatory notification of pertussis is not effective for the protection of unvaccinated children]
SN  - 0028-2162
PY  - 2008///0310
KW  - Humans
KW  - Immunization Schedule
KW  - Mandatory Reporting
KW  - Netherlands
KW  - Pertussis Vaccine
KW  - administration & dosage
KW  - Retrospective Studies
KW  - Risk Factors
KW  - Time Factors
KW  - Whooping Cough
KW  - diagnosis
N1  - Publication Type: English Abstract; Journal Article
ER  -