Adrenocorticotropic hormone measurement

Reimondo G, Paccotti P, Minetto M, et al: The corticotrophin-releasing hormone test is the most reliable noninvasive method to differentiate pituitary from ectopic ACTH secretion in Cushing's syndrome. Clin Endocrinol 2003; 58(6):718-724.

Orth DN: Cushing's syndrome.. N Engl J Med. 1995; 332:791-803.