Huelsken, J.2009-04-162009-04-162009-04-16200910.1038/cr.2009.24https://infoscience.epfl.ch/handle/20.500.14299/37269WOS:000265700000003MaintenanceCateninMarkerCancerLgr5Tissue-specific stem cells: friend or foe?text::journal::journal article::research article