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Culture supernatant cytokines
Antigen (30 μg/ml S. rectivirgula) stimulated spleen cell cultures (2 × 106/ml, 72 h). All values are ρg/ml. Days, Days after first of 3 i.t. injections of S. rectivirgula. 0, Cells from naïve animals. ND, None detected. Mean ± s.e.m. n = 3–5.
