Epidemiological aspects of investigation of outbreaks of communicable diseases and surveillance and control of water quality,
WHO, 1997, 16 p..
.
Epidemiological aspects of investigation of outbreaks of communicable diseases and surveillance and control of water quality.
Geneva: WHO, 1997, 16 p..
(1997)
Epidemiological aspects of investigation of outbreaks of communicable diseases and surveillance and control of water quality,
Geneva: WHO, 16 p.
(1997).
Epidemiological aspects of investigation of outbreaks of communicable diseases and surveillance and control of water quality. Geneva: WHO, 16 p..