到目前为止，斯科特·尼克尔森还没有亲自体验到父亲和祖父的工作生涯中的胜利故事。
So far, Scott Nicholson is a stranger to the triumphal stories that his father and grandfather tell of their working lives.
同种异体骨中有少量或没有血管长入，而相同时段的自体骨移植中有大量的新生血管网。
In the allografts, there is little or no vessel in-growth in the center of the graft, whereas the autograft shows abundant new vessel networks in the bone substance.
这就意味着自体骨髓治疗是一条可行的途径，可用于人体，而且没有太多实用性和调节方面的问题，令人振奋。
This is encouraging since it could mean that autologous bone marrow therapy is an avenue which can be applied to humans without too many practical or regulatory barriers.
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