Improved sanitation

https://www.wikidata.org/wiki/Q6007834

Field Hierarchy

Parent
Medicine 49.4M papers	Engineering 25M papers	Pathology 9.1M papers	Environmental science 8.8M papers
Environmental engineering 971k papers	Water supply 54.5k papers	Sanitation 44.6k papers
Current
Improved sanitation 1,422 papers
Child

Trends

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History