1Treatment of complex acetabular fractures involving comminuted quadrilateral plate by reconstruction plate combined with titanium meshCUI Haomin, ZHOU Dongsheng, LI Lianxin, WANG Yonghui, LI Qinghu, SUN Limeng, XU Weicheng326-3322One-stage plate internal fixation by Stoppa with iliac fossa approaches for treatment of unstable pelvic fracturesCHEN Hongfen, WANG Gang, SUN Yongjian, LI Weicheng, DING Chao333-3373Cannulate screw fixation via a modified Stoppa limited approach for anterior ring pelvic fracturesFU Yahui, ZHUANG Yan, WANG Hu, WANG Pengfei, SONG Zhe, ZHANG Kun, LI Zhong, WANG Qian, SUN Liang338-3424Modified Stoppa approach versus ilioinguinal approach in treatment of pelvic and acetabular fracturesLI Baofeng, ZHANG Ying, XIA Hong, YIN Qingshui, LI Mei, XIE Huibin, GUO Xiaoze, XIA Yuanjun, XIAO Jin, WANG Fei343-3485Changes of serum COMP and MMP13 levels in patients with ischemic necrosis of femoral head and their clinical significancesYE Woqiu, FENG Yixin349-3556Modified endoscopic PLIF combined with percutaneous pedicle screw fixation in the treatment of lumbar spondylolisthesisTIAN Gang, SHEN Maorong, LIANG Weiguo, XIE Furong, WEI Wenwu356-3617Application of modified Stoppa approach in surgical treatment of pelvic and acetabular fracturesZHOU Gang, CAO Shenglu, WANG Gang362-368,3748Current researches of application of three-dimensional finite element in acetabular traumaDAI Yuanyuan, ZHANG Ying369-374