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Figure 3: Induction of the proliferation of splenic NK by KLH in vitro. NK cells purified from the spleen of C57BL/6 mice by negative selection were incubated with or without 25 mg/ml of KLH for 42 h, being pulse-labeled with [3H]thymidine for the last 18 h. The data are mean ± SEM of three separate experiments. **P < 0.01, as compared with the values of control (Student's t-test)

Figure 3: Induction of the proliferation of splenic NK by KLH <i>in vitro</i>. NK cells purified from the spleen of C57BL/6 mice by negative selection were incubated with or without 25 mg/ml of KLH for 42 h, being pulse-labeled with [3H]thymidine for the last 18 h. The data are mean ± SEM of three separate experiments. **<i>P</i> < 0.01, as compared with the values of control (Student's <i>t</i>-test)