%0 Journal Article %T Expansion in vitro of retrovirally marked totipotent hematopoietic stem cells %A Fraser, CC %A Eaves, CJ %A Szilvassy, SJ %A Humphries, RK %A , %J Blood %@ 0006-4971 %D 1990-09-15 %I American Society of Hematology %~ DeepDyve