Tiff file. (b) Red CCD response, plotted in grayscale. (c) Blue CCD response, plotted in grayscale. (d) Red CCD response minus blue CCD response, set to special color scale. (e) Calculated CCD response image overlaid onto the original image at 55% transparency.Copyright information:Taken from "Non-invasive monitoring of tissue oxygenation during laparoscopic donor nephrectomy"http://www.biomedcentral.com/1471-2482/8/8BMC Surgery 2008;8():8-8.Published online 17 Apr 2008PMCID:PMC2394515.