academic article

• Effect of different types of smoking and synergism with hepatitis C virus on risk of hepatocellular carcinoma in American men and women: case-control study..  International journal of cancer. Journal international du cancer.  123:1883-1891. 2008
• Association between hypothyroidism and hepatocellular carcinoma: a case-control study in the United States..  Hepatology (Baltimore, Md.).  49:1563-1570.