Gastric inhibitory polypeptide-dependent cortisol hypersecretion - a new cause of Cushing's syndrome. - Lacroix,A.; Bolté,E.; Tremblay,J.; Dupré,J.; Poitras,P.; Fournier,H.; Garon,J.; Garrel,D.; Bayard,F.; Taillefer,R.; Flanagan,R.J.; Hamet,P. (N Engl J Med, 1992)