| http://www.w3.org/ns/prov#value | - Mar 09 2015 | 0 comment(s) By Brian Owens, Inside Science(Inside Science) -- Sampling the waste in a city's sewage system can be a good way to study the microbes that live in the population's guts ??? and could even offer a way to monitor public health issues such as obesity, according to new research.
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