PT - JOURNAL ARTICLE AU - C. Chan Gunn TI - Low-back pain AID - 10.1503/cmaj.113-2104 DP - 2013 Mar 05 TA - Canadian Medical Association Journal PG - 325--325 VI - 185 IP - 4 4099 - http://www.cmaj.ca/content/185/4/325.1.short 4100 - http://www.cmaj.ca/content/185/4/325.1.full SO - CMAJ2013 Mar 05; 185