Comment on

• Occult hepatitis B virus infection as a cause of cirrhosis of liver in a region with intermediate endemicity.

  Agarwal N, Naik S, Aggarwal R, Singh H, Somani SK, Kini D, Pandey R, Choudhuri G, Saraswat VA, Naik SR. Agarwal N, et al. Indian J Gastroenterol. 2003 Jul-Aug;22(4):127-31. Indian J Gastroenterol. 2003. PMID: 12962434
• Frequency of infection by hepatitis B virus and its surface mutants in a northern Indian population.

  Singh H, Aggarwal R, Singh RL, Naik SR, Naik S. Singh H, et al. Indian J Gastroenterol. 2003 Jul-Aug;22(4):132-7. Indian J Gastroenterol. 2003. PMID: 12962435