title: Somatic stem cell plasticity: to be or not to be.
authors: Robert G
authors: RG
authors: Hawley
authors: Donna A
authors: DA
authors: Sobieski
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D002459:Cell Fusion; D006412:Hematopoietic Stem Cells / Q000502:physiology; D006801:Humans; D013234:Stem Cells / Q000502:physiology*