%0 Journal Article %T Heterogeneity, Self-Renewal, and Differentiation of Hematopoietic Stem Cells %A Roland Jurecic %A Linheng Li %A R. Keith Humphries %J Stem Cells International %D 2012 %I %R 10.1155/2012/580165 %U http://dx.doi.org/10.1155/2012/580165