TY  - GEN
ED  - World Health Organization. Expanded Programme on Immunization.
TI  - Protocol for the assessment of the quality of surveillance and control of ePI diseases
PY  - 1993///
CY  - Geneva : 
PB  - World Health Organization
KW  - Communicable disease control
KW  - Communicable diseases
KW  - Epidemiology
KW  - Clinical protocols
KW  - Data collection
ER  -