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Arsenic is a well-documented human carcinogen, and contamination with this heavy metal is of global concern, presenting a major issue in environmental health. However, the mechanism by which arsenic induces cancer is unknown, in large part due to the lack of an appropriate animal model. In the present set of experiments, we focused on dimethylarsinic acid(More)
Primary small cell carcinoma (SSC) of the liver is very rare in Japan and only ten cases have been reported worldwide. We report herein the case of a 77-year-old man with primary SCC of the liver. He had a tumor over 10 cm in diameter which was localized in the right lobe of the liver and had invaded the right diaphragm. In laboratory tests, high serum(More)
INTRODUCTION To date, there have been no prospective studies examining the effect of coffee consumption on serum alanine aminotransferase (ALT) level among individuals infected with the hepatitis C virus (HCV). We conducted a hospital-based cohort study among patients with chronic HCV infection to assess an association between baseline coffee consumption(More)
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