Smple fenestration was adopted to resect the ligamenta flava to treat retro-Lumbar spinal stenosis for36 cases.
采用单纯开窗,切除手术,治疗退形性腰椎管狭窄症36例。
Methods 34 cases of normal human ligamenta flava were determined by salt precipitation , the collagen samples were analyzed by SDS - PAGE.
法用盐析法对34个正常标本中的ⅠⅡ胶原含量进行测定,并用SDS-PAGE法进行胶原的分确定。
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