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Immunoassay measurements for (a) CA-125, (b) VEGF, (c) Annexin V, (d) glycodelin and (e) sICAM-1. Regression lines (black) illustrate the correlation between the measurements from Roche Diagnostics GmbH (Pz, x-axis) and the measurements from Vodolazkaia et al. (Leuven, y-axis) for samples from 136 patients. Grey diagonal line represents identity line (100% agreement between assays). Red circles represent endometriosis cases and black circles represent controls.
