Authors: Chen, PS Zhai, WR Zhou, XM Zhang, JS Zhang, YE Ling, YQ Gu, YH

Citation: Ps. Chen et al., Effects of hypoxia, hyperoxia on the regulation of expression and activityof matrix metalloproteinase-2 in hepatic stellate cells, WORLD J GAS, 7(5), 2001, pp. 647-651

Authors: Wen, YM Ma, ZM Tu, H Zhai, WR He, LF Yao, X

Citation: Ym. Wen et al., Replicative efficiency and pathogenicity of hepatitis B virus e-minus precore variant, J GASTR HEP, 13, 1998, pp. S304-S307