Pitfall of petrosal sinus sampling in a Cushing's syndrome secondary to ectopic adrenocorticotropin-corticotropin releasing hormone (ACTH-CRH) secretion. - Young,J.; Deneux,C.; Grino,M.; Oliver,C.; Chanson,P.; Schaioson,G. (J Clin Endocrinol Metab, 2005)