TY - JOUR AU - Ostelo, RWJ G; Deyo, R A; Stratford, P TI - Interpreting change scores for pain and functional status in low back pain – towards international consensus regarding minimal important change JO - Spine VL - 33 PY - 2008 DO - 10.1097/BRS.0b013e31815e3a10 L3 - PubMed-ID: 18165753 SP - 90 EP - 94 N1 - et al. ER -