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

采用单,黄韧带切除手术,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个正常黄韧带标本中的Ⅰ型和Ⅱ型量进行测定,并用SDS-PAGE法进行的分型确定。