@article{17797,
  author = {Herbert Rob and Hancock M. and Maher C.},
  title = {Clinical guide to interpretation of studies investigating subgroups of responders to physiotherapy interventions},
  year = {2009},
  journal = {Physical Therapy},
  volume = {89 },
  number = {7},
  pages = {698-704. },
  language = {eng},
}