Spectral Karyotyping and SNP Microarray Analysis Define Uniparental Disomy (UPD) as a Novel Mutational Mechanism in MSI- and CSI-Colorectal Cancers oleh Ralph Melcher, Waltraud Zopf, Elena Hartmann, Andreas Rosenwald, Holger Hoehn, Michael Schmid, Theodor Kudlich, Michael Scheurlen, Hardi Luehrs