RT Journal Article SR Electronic T1 Avascular necrosis after a steroid injection JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 814 OP 814 DO 10.1503/cmaj.1060165 VO 176 IS 6 A1 Juéry, Pierre YR 2007 UL http://www.cmaj.ca/content/176/6/814.1.abstract