Absence of CD11a Expression Identifies Embryonic Hematopoietic Stem Cell Precursors via Competitive Neonatal Transplantation Assay oleh Alborz Karimzadeh, Alborz Karimzadeh, Erika S. Varady, Erika S. Varady, Vanessa M. Scarfone, Connie Chao, Connie Chao, Karin Grathwohl, Karin Grathwohl, Pauline U. Nguyen, Pauline U. Nguyen, Yasamine Ghorbanian, Yasamine Ghorbanian, Irving L. Weissman, Thomas Serwold, Matthew A. Inlay, Matthew A. Inlay