TY - JOUR AU - Mackay G. AU - Kamper S. AU - Maher C. BT - Journal of Manual and Manipulative Therapy LA - eng LB - MS M1 - 3 PY - 2009 SP - 163 EP - 70. T2 - Journal of Manual and Manipulative Therapy TI - Global rating of change scales: a review of strengths and weaknesses and considerations for design VL - 17 ER -