The Challenge of epidemiology :
The Challenge of epidemiology : issues and selected readings /
discussed and compiled by Carol Buck ... [et al.].
- Washington, D.C. : Pan American Health Organization, Pan American Sanitary Bureau, Regional Office of the World Health Organization, 1988.
- xiv, 989 p. : ill. ; 26 cm.
- Scientific publication ; no. 505 .
- Publicaciones cient�ificas (Washington, D.C.) ; no. 505. .
9275115052
Epidemiology.
9275115052
Epidemiology.