Assertion: bone marrow | /r/HasProperty | incubated in nude mice
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text: (Bab, I., Passi-Even, L., Gazit, D., Sekeles, E., Ashton, B. A., Peylan-Ramu, N., Ziv, I., and Ulmansky, M.; Osteogenesis in vivo diffusion chamber cultures of human marrow cells, Bone and Mineral 4; 373, 1988) observed bone in four of eight diffusion chambers implanted with human marrow from two child donors, however, these authors failed to observe bone when whole marrow from older donors was incubated in diffusion chambers in nude mice.