1. Smple fenestration was adopted to resect the ligamenta flava to treat retro-Lumbar spinal stenosis for36 cases.
   采用单纯开窗,黄韧带切除手术,治疗退形性腰椎管狭窄症36例。
2. Methods 34 cases of normal human ligamenta flava were determined by salt precipitation , the collagen samples were analyzed by SDS - PAGE.
   方法用盐析法对34个正常黄韧带标本中的Ⅰ型和Ⅱ型胶原含量进行测定,并用SDS-PAGE法进行胶原的分型确定。
3. Results To be overweight and superfatted is universal phenomena about midlife in-service cadre,which cause weak heart and lung and renitent muscle and ligamenta of waist.
   结果超重及脂肪含量超标是中年在职干部普遍存在的问题,由此导致心肺能力下降、腰部肌肉和韧带的柔韧性降低等一系列问题。

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