TY - JOUR AU - Smeets R. AU - Latimer Jane AU - Costa Leonardo AU - Maher C. BT - Physical Therapy CN - Y LA - eng LB - MS M1 - 8 PY - 2009 SP - 756 EP - 69. T2 - Physical Therapy TI - Reproducibility of rehabilitative ultrasound imaging for the measurement of abdominal muscle activity: a systematic review (Journal Article) VL - 89 ER -