Supplementary Proteins. Ultracentrifugation versus kit exosome isolation: nanoLC–MS and other tools reveal similar performance biomarkers, but also contaminations SkottvollFrøydis Sved BergHenriette Engen BjørsethKamilla LundKaja RoosNorbert BekhradniaSara ThiedeBernd SandbergCecilie Vik-MoEinar Osland Roberg-LarsenHanne NyströmBo LundanesElsa WilsonSteven Ray 2019 <b>Supplementary Proteins </b>