RT Journal Article SR Electronic T1 Work-up for Cushing syndrome JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 584 OP 587 DO 10.1503/cmaj.090250 VO 182 IS 6 A1 Lisa-Ann Fraser A1 Stan Van Uum YR 2010 UL http://www.cmaj.ca/content/182/6/584.abstract