Expression of Th1 and Th2 type cytokines responding to HBsAg and HBxAg in chronic hepatitis B patients .
expression of th1 and th2 type cytokines responding to hbsag and hbxag in chronic hepatitis b patients .
O O O O O O O O O B-protein_molecule O B-protein_molecule O B-multi_cell I-multi_cell I-multi_cell I-multi_cell O