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Analysis of T-cell activation by using rbhIL-2 and chemiluminescence versus [3H]TdR incorporation. PBMC were incubated in the presence of PHA (open squares) (A and B) or TT (solid triangles) (C and D) for 1 day for chemiluminescence analysis (A and C), and 3 days for [3H]TdR incorporation (B and D). Incubations and assays were carried out as described in Materials and Methods. Data represent the mean and standard deviation for triplicate samples.
