1. Increased risk of hepatocellular carcinoma in male hepatitis B surface antigen carriers with chronic hepatitis who have detectable urinary aflatoxin metabolite M1
2. International Agency for Research on Cancer Monographs on the Evaluation of Carcinogenic Risks to Humans. Vol. 59: Hepatitis viruses. Lyon, 1994.
3. Hepatitis viruses and hepatocellular carcinoma
4. Prospects for epidemiological studies on hepatocellular carcinoma as a model for assessing viral-chemical interactions, Scientific Pub. No. 89 1988; 427-433.