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To clarify the importance of hepatitis B (HBV) and C virus (HCV) infection and p53 gene mutation in the genesis of hepatocellular carcinoma (HCC), we investigated DNA samples of formalin-fixed paraffin-embedded HCC tissue specimens from patients in the North China area of Harbin, Heilongjian province. Fifty-eight DNA samples from 43 cases obtained during surgery and the remaining 15 autopsy materials...
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