RISK FACTORS FOR LUMBAR INTERVERTEBRAL DISC HEIGHT NARROWING -TEN YEARS RETROSPECTIVE COHORT STUDY-: 19.Akeda Koji; Kasai, Yuichi; Inoue, Nozomu; Yamada, Tomomi; Uchida, Atsumasa; Sudo, AkihiroSpine Journal Meeting Abstracts: 2010 - Volume - Issue - ppg 20 Free