@article{19363,
  author = {Helmhout P. and Staal J. and Petersen T. and Rainville J. and Shaw W. and Maher C.},
  title = {Exercise therapy and low back pain: insights and proposals to improve the design, conduct, and reporting of clinical trials on the effects of therapeutic exercise in low back pain},
  year = {2008},
  journal = {Spine},
  volume = {33},
  number = {16},
  pages = {1782-8.  },
  language = {eng},
}