TY - betway必威登陆网址 (betway.com )学报 A1 - 谷千江 T1 - 老年腰椎间盘突出症患者术前MRI特征与PELD术后疗效的相关性 Y1 - 2021-03-25 JF - betway必威登陆网址 (betway.com )学报 JO - betway必威登陆网址 (betway.com )学报 SP - 176 EP - 180 VL - 42 IS - 3 UR - http://xuebao.sdfmu.edu.cn N1 - 10.3969/j.issn.1004-7115.2021.03.004 ER -