An In Vivo OctreoScan-Negative Adrenal Pheochromocytoma Expresses Somatostatin Receptors and Responds to Somatostatin Analogs Treatment In Vitro - Zatelli , M C; Piccin , D; Bondanelli , M; Tagliati , F; De Carlo , E; Culler , M D; Uberti , E C degli (Hormone and Metabolic Research, 2003)