five t-cell clones reactive with hbsag were obtained from peripheral blood lymphocytes of a hbv vaccine recipient by means of in vitro stimulation of lymphocytes for 5 days by hbsag and subsequent re-culture of lymphocytes with hbsag , feeder cells and t cell growth factor ( tcgf ) for 6 days , followed by the limiting dilution method .
C0019163
a hbv
C0019168
hbsag