The role of hepatitis B and C viruses in hepatocellular carcinoma in a hepatitis B endemic area: a case-control study.
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Leandro
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Duca
D006528:Carcinoma, Hepatocellular / Q000209:etiology*; D016022:Case-Control Studies; D006509:Hepatitis B / Q000150:complications*; D006526:Hepatitis C / Q000150:complications*; D006801:Humans; D008113:Liver Neoplasms / Q000209:etiology*; D012044:Regression Analysis