Otaki, Yurina Water systems and urban sanitation: a historical comparison of Tokyo and Singapore. [electronic resource] - Journal of water and health Jun 2007 - 259-65 p. digital Publication Type: Comparative Study; Historical Article; Journal Article; Research Support, Non-U.S. Gov't ISSN: 1477-8920 Subjects--Topical Terms: AdolescentAdultChildChild, PreschoolDysentery--historyHistory, 19th CenturyHistory, 20th CenturyHistory, 21st CenturyHumansInfantInfant Mortality--historyInfant, NewbornMiddle AgedSanitation--historySingaporeTokyoTyphoid Fever--historyUrban Population--historyWater Pollution--historyWater Supply--history