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Celluar proliferative response in spleen T cells after stimulation with HBsAg or PBS for 72 h in vitro. Celluar proliferative response was estimated by flow cytometry. Spleen T cells of PBS group mice were cultured with HBsAg or PBS and ConA, used as ConA group. Histogram was produced by the modfit 3.0 software packages. These results showed were from individual mice that were representative of per experiment group.
