TY - CPAPER AU - Costa Leonardo AU - Maher C. BT - Musculoskeletal Physiotherapy Australia -15th Biennial Conference CY - Cairns, Australia LA - eng LB - MS PP - Cairns, Australia PY - 2007 T2 - Musculoskeletal Physiotherapy Australia -15th Biennial Conference TI - Lessons learnt from a trial of motor control exercise versus placebo in patients with chronic low back pain ER -