TY - JOUR AU - Colter, D C; Sekiya, I; Prockop, D J TI - Identification of a subpopulation of rapidly self-renewing and multipotential adult stem cells in colonies of human marrow stromal cells JO - Proc Natl Acad Sci U S A VL - 98 PY - 2001 DO - 10.1073/pnas.141221698 SP - 7841 EP - 7845 ER -