AIM To study the effects of arsenic trioxide andHCPT on different degrees of differentiated gastriccancer cells(SGC-7901,MKN-45,MKN-28)withrespect to both cytotox
AIM To construct the recombinant of HDVcDNA and HBV-specific ribozyme gene byrecombinant PCR in order to use HDV as atransporting vector carrying HBV-specificri