TY  - BOOK
ED  - World Health Organization.
TI  - WHO STEPS surveillance manual: the WHO STEPwise approach to chronic disease risk factor surveillance 
SN  - 9241593830
PY  - 2005///
CY  - Geneva
PB  - World Health Organization, 
KW  - Chronic disease
KW  - epidemiology
KW  - Risk factors
KW  - Epidemiologic surveillance
KW  - methods
KW  - Manuals
UR  - http://apps.who.int/iris/
ER  -