RT Journal Article SR Electronic T1 Hair analysis of cortisol levels in adrenal insufficiency JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1244 OP 1244 DO 10.1503/cmaj.140407 VO 186 IS 16 A1 Christine Ibrahim A1 Stan Van Uum YR 2014 UL http://www.cmaj.ca/content/186/16/1244.abstract AB