| http://www.w3.org/ns/prov#value | - Because a mouse's life span is about three years, the length of the study mimicked a similar 20- to 30-year cancer progression of liver cancer in humans.Two sets of mice -- one with the TREM-1 gene removed -- were exposed to the cancer-causing agent diethylnitrosamine, or DEN, which is present in tobacco smoke, chemicals and other products.
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