@conference{17724,
  author = {Macedo L. and Herbert Rob and McAuley J. and Kamper S. and Maher C.},
  title = {Does it matter which placebo control to use in physiotherapy trials?},
  year = {2007},
  journal = {15th International World Confederation for Physical Therapy Congress},
  address = {Vancouver, Canada},
  language = {eng},
}