defecating

Wikidata

https://www.wikidata.org/wiki/Q204015

Disease transmitting flies -- To prevent diseases, kill flies early

Disease transmitting flies -- To prevent diseases, kill flies early (1952, July)

Water and contagious diseases -- How to treat water to avoid contagious diseases?

Water and contagious diseases -- How to treat water to avoid contagious diseases? (1952, July)

General knowledge about three types of attack educational wall charts

General knowledge about three types of attack educational wall charts (1983, June)

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