@proceedings{16005,
  author = {Crowther M. and Verhagen A. and Sutton A. and Herbert Rob and Ferreira Manuela},
  title = {When is another clinical trial on exercise for chronic low back pain justified?},
  year = {2012},
  journal = {Primary Care Research on Back Pain International Forum XII},
  pages = {182},
  address = {Odense, Denmark},
  language = {eng},
}