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Journal
Indian J Gastroenterol
Volume
22
Issue
4
Pages
132-7
Publication year
2003
Suggested citation
Singh H, Aggarwal R, Singh RL, Naik SR, Naik S. Frequency of infection by hepatitis B virus and its surface mutants in a northern Indian population. Indian J Gastroenterol. 2003; 22(4): 132-7.