"Silent emergency" of poor water and sanitation.
Morris
Kelly
K
D000349:Africa; D002648:Child; D003140:Communicable Disease Control / Q000458:organization & administration / Q000592:standards; D003906:Developing Countries; D006801:Humans; D011203:Poverty; D016730:Program Development / Q000592:standards; D012498:Sanitary Engineering / Q000592:standards; D012499:Sanitation / Q000592:standards*; D012922:Social Change; D014871:Water Microbiology / Q000592:standards; D014876:Water Pollution / Q000517:prevention & control; D018508:Water Purification / Q000379:methods; D014881:Water Supply / Q000592:standards*