A pre-S gene chip to detect pre-S deletions in hepatitis B virus large surface antigen as a predictive marker for hepatoma risk in chronic hepatitis B virus carriers

前 S 基因芯片用于检测乙肝病毒大表面抗原中的前 S 缺失，作为慢性乙肝病毒携带者肝癌风险的预测标志