TY - RPRT TI - Haemopoietic stem cell purification. AU - I L Weissman AU - S Heimfeld AU - G Spangrude PY - 1989 DO - 10.1016/0167-5699(89)90319-8 UR - https://pubmed.ncbi.nlm.nih.gov/2751826/ ID - 2751826 ER -