TY  - BOOK
ED  - World Health Organization
TI  - WHO recommended surveillance standards
PY  - 1999///
CY  - Geneva
PB  - WHO
KW  - Immunologic Surveillance
KW  - methods
KW  - standards
KW  - Communicable Disease Control
UR  - https://apps.who.int/iris/bitstream/handle/10665/65517/WHO_CDS_CSR_ISR_99.2.pdf?sequence=1&isAllowed=y
ER  -