title: Cancer stem cells: a promising concept and therapeutic challenge.
authors.forename: Anthony
authors.initials: A
authors.lastname: Ho
authors.forename: Norbert
authors.initials: N
authors.lastname: Fusenig
mesh_terms: D006801:Humans; D008954:Models, Biological; D014411:Neoplastic Stem Cells / Q000502:physiology*; D059016:Tumor Microenvironment