1. Deryugina EI, Muller-Sieburg CE . Stromal cells in long-term cultures: keys to the elucidation of hematopoietic development? Crit Rev Immunol 1993; 13: 115–150.
2. Dorshkind K . Regulation of hemopoiesis by bone marrow stromal cells and their products. Annu Rev Immunol 1990; 8: 111–137.
3. Ashton BA, Allen TD, Howlett CR, Eaglesom CC, Hattori A, Owen M . Formation of bone and cartilage by marrow stromal cells in diffusion chambers in vivo. Clin Orthop Relat Res 1980; 151: 294–307.
4. Beresford JN . Osteogenic stem cells and the stromal system of bone and marrow. Clin Orthop Relat Res 1989; 240: 270–280.
5. Bab I, Passi-Even L, Gazit D, Sekeles E, Ashton BA, Peylan-Ramu N et al. Osteogenesis in in vivo diffusion chamber cultures of human marrow cells. Bone Miner 1988; 4: 373–386.