例句 /

Methods The surgical operation were made in 142 cases of lumbar dies herination with collagenase, all of them were uneffective among 980 cases in five years. and they were examined by CT or MRI before operation.

Methods The surgical operation were made in 142 cases of lumbar dies herination with collagenase, all of them were uneffective among 980 cases in five years. and they were examined by CT or MRI before operation.

方法5年间980例胶原酶化学溶解术患者中142例疗效欠佳,对其行CT或MRI检查并外科手术探查。