@article{17824,
  author = {Smeets R. and Latimer Jane and Costa Leonardo and Maher C.},
  title = {Reproducibility of rehabilitative ultrasound imaging for the measurement of abdominal muscle activity: a systematic review (Journal Article)},
  year = {2009},
  journal = {Physical Therapy},
  volume = {89},
  number = {8},
  pages = {756-69. },
  language = {eng},
}