Figure 1.
Serum levels of C4 and C4a measured: preoperatively [point 1: mannose‐binding lecton (MBL)‐1], 30 min (point 2: MBL‐2) and 24 h (point 3: MBL‐5) post‐ cardiopulmonary bypass (CPB). Median values from 20 patients were used.
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