Engraftment of human HSCs in nonirradiated newborn NOD-scid IL2rγ null mice is enhanced by transgenic expression of membrane-bound human SCF. - Brehm MA; Racki WJ; Leif J; Burzenski L; Hosur V; Wetmore A; Gott B; Herlihy M; Ignotz R; Dunn R; Shultz LD; Greiner DL (Blood, 2012)