TY - JOUR T1 - Avascular necrosis after a steroid injection JF - Canadian Medical Association Journal JO - CMAJ SP - 814 LP - 814-a DO - 10.1503/cmaj.1060233 VL - 176 IS - 6 AU - Izge Gunal AU - Vasfi Karatosun Y1 - 2007/03/13 UR - http://www.cmaj.ca/content/176/6/814.2.abstract ER -