RT Journal Article SR Electronic T1 Controversy surrounds new treatment for discogenic back pain JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E409 OP E410 DO 10.1503/cmaj.109-3249 VO 182 IS 9 A1 Freedhoff, Yoni YR 2010 UL http://www.cmaj.ca/content/182/9/E409.abstract