Research Article
The Effect of CYP, GST, and SULT Polymorphisms and Their Interaction with Smoking on the Risk of Hepatocellular Carcinoma
Table 1
Distribution of 221 cases of hepatocellular carcinoma (HCC) and 290 controls according to selected factors.
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aThe sum does not add up to the total because of some missing values. values from test. cHepatitis was defined as history of hepatitis B and/or C. |