@proceedings{16004, author = {Ferreira P. and Refshauge K. and Kent P. and Manniche C. and Jensen T. and Maher C. and Ferreira Manuela}, title = {Does the report of a cause for low back pain matter? A comparison of patients who report a cause for an episode of low back pain and those who don't.}, year = {2012}, journal = {Primary Care Research on Back Pain International Forum XII}, pages = {31}, address = {Odense, Denmark}, language = {eng}, }