title: The unpredictable stem cell.
authors.forename: Gay M
authors.initials: GM
authors.lastname: Crooks
authors.forename: Kenneth
authors.initials: K
authors.lastname: Weinberg
mesh_terms: D000818:Animals; D002454:Cell Differentiation / Q000502:physiology*; D019070:Cell Lineage / Q000502:physiology*; D006412:Hematopoietic Stem Cells / Q000166:cytology* / Q000502:physiology; D006801:Humans