Corticotropin-releasing hormone stimulation test before and after transsphenoidal selective microadenomectomy in 30 patients with Cushing’s disease. - Schrell,U.; Fahlbusch,R.; Buchfelder,M.; Riedl,S.; Stalla,G.K.; Müller,O.A. (J Clin Endocrinol Metab, 1987)