Smple fenestration was adopted to resect the ligamenta flava to treat retro-Lumbar spinal stenosis for36 cases.

采单纯开窗,黄韧带切除手术,治疗退形性腰椎管狭36。

Methods 34 cases of normal human ligamenta flava were determined by salt precipitation , the collagen samples were analyzed by SDS - PAGE.

法析法对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SDS-PAGE法进行胶原的分型确定。