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