@article{20669,
  author = {Hopper J. and Refshauge K. and Ferreira P. and Hübscher M. and Junqueira D. and Maher C. and Ferreira Manuela},
  title = {Heavy domestic, but not recreational, physical activity is associated with low back pain: Australian Twin low BACK pain (AUTBACK) study.},
  year = {2014},
  journal = {European Spine Journal},
  edition = {12 March 2014 [epub ahead of print]},
  language = {eng},
}