006710000a22001810004500003000900000005001700009110008500026245015300111562002100264050001700285264004900302300000800351041001400359650003900373650003500412650002500447650001700472PH-MaWHO20241108112239.0  aWorld Health Organization. Office of Global and Integrated Environmental Health.  aHealth and environment library modules : environmental epidemiology = Modules documentaires sante environnement : epidemiologie de l` environnement.  aWHO/EHG/97.2/EPI  a2nd rev. ed.  aGeneva : bWorld Health Organization,c1997.  a5p.  aeng ; fre  aEnvironmental healthvBibliography  aLibrary collection development  aInformation services  aWater supply