1. Osteogenesis in transplants of bone marrow cells;Friedenstein;J Embryol Exp Morph,1966
2. Bone marrow osteogenic stem cells: In vitro cultivation and transplantation in diffusion chambers;Friedenstein;Cell Tissue Kinet,1987
3. Formation of bone and cartilage by marrow stromal cells in diffusion chambers in vivo;Ashton;Clin Orthop,1980
4. Ultrastructure of bone and cartilage formed in vivo in diffusion chambers;Bab;Clin Orthop,1984