| 41. | Elly, the bone marrow donor, had been a stranger.
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| 42. | Bone marrow transplants usually cost at least $ 100, 000.
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| 43. | Bone marrow tests revealed they all had microscopic tumors still lurking.
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| 44. | Bone marrow consists of at least two types of stem cells.
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| 45. | The ward is to help patients recovering from bone marrow transplants.
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| 46. | They isolated stem cells from the bone marrow of male mice.
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| 47. | Doctors recently determined the bone marrow transplant had not been successful.
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| 48. | Bone marrow stem cells were the first known adult stem cells.
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| 49. | Marrow said it was not immediately clear what caused the accident.
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| 50. | Products like brain and bone marrow were eventually banned in 1996.
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