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Group-specific CE-MS peptide marker profiles for primary sclerosing cholangitis (PSC, n = 57), benign biliary diseases (BBD, n = 19) other than PSC, cholangiocarcinoma (CCA, n = 33) alone or concomitant to PSC (CCA on top of PSC, n = 19) in bile (BPA) and urine (UPA) proteome analysis. The molecular mass on a logarithmic scale (0.8–20 kDa) is plotted against normalized capillary electrophoresis (CE) migration time (18–50 min). Mean signal intensities are encoded by peak height
