Mannelli, M Pheochromocytoma: a permanent challenge for the clinical endocrinologist. [electronic resource] - Journal of endocrinological investigation May 2003 - 387-8 p. digital Publication Type: Editorial ISSN: 0391-4097 Standard No.: 10.1007/BF03345191 doi Subjects--Topical Terms: Adrenal Gland Neoplasms--diagnosisCatecholamines--metabolismDiagnosis, DifferentialHumansInterleukin-6--bloodPheochromocytoma--diagnosis