Department of Pathology;
Fourth Military Medical University;
Xi'an 710032;
Fox Chase Cancer Center;
Philadelphia;
PA 19111;
USA;
hepatitis; B; cirrhosis; liver; neoplasms; hepatitis; B; antigens; hepatitis; B; surface; antigens; hepatitis; B; core; antigen; hepatitis; B; X; antign; immunohistochemistry; human;