vertebral canal disease椎管疾患
tumor in vertebral canal椎管肿瘤
vertebral canal measurements椎管检测
vertebral canal stenosis椎管狭窄症
Vertebral canal decompression椎管减压
injection through vertebral canal椎管内注射
senile lumbar vertebral canal老年腰椎管
lumbar vertebral canal measurement腰椎椎管测量
lower lumbar vertebral canal椎管