Figure 2From: Prerequisites for cytokine measurements in clinical trials with multiplex immunoassaysRecovery of spiked cytokines in various types of plasma and serum. Cytokines (1000 pg/ml) were spiked in various types of plasma and serum. Recoveries were measured using a multiplex immunoassay. Se serum, NH sodium heparin plasma, E EDTA plasma, CP sodium citrate plasma. Shown are means ± SD.Back to article page