TY - JOUR AU - Smeets R. AU - Demoulin C. AU - Koke A. AU - Lin C AU - Ferreira Manuela BT - Arthritis Care and Research LA - eng PY - 2011 SP - S158 EP - S173. T2 - Arthritis Care and Research TI - Measures of Function in Low Back Pain/Disorders - Low Back Pain Rating Scale (LBPRS), Oswestry Disability Index (ODI), Progressive Isoinertial Lifting Evaluation (PILE), Quebec Back Pain Disability Scale (QBPDS), and Roland-Morris Disability Questionnaire VL - 63 ER -