The effect of piped water on early childhood mortality in urban Brazil, 1970 to 1976.
D000328:Adult; D001938:Brazil; D002648:Child; D002675:Child, Preschool; D004522:Educational Status; D005260:Female; D006801:Humans; D007182:Income; D007223:Infant; D007226:Infant Mortality; D008297:Male; D008875:Middle Aged; D009026:Mortality; D011336:Probability; D012923:Social Class; D014505:Urban Population; D014881:Water Supply