TY - JOUR AU - Lee, S H; Kang, B U; Ahn, Y TI - Operative failure of percutaneous endoscopic lumbar discectomy: a radiologic analysis of 55 cases JO - Spine IS - 10 VL - 31 PY - 2006 DO - 10.1097/01.brs.0000216446.13205.7a L3 - PubMed-ID: 16648734 SP - E285 EP - E290 N1 - , et al. ER -