RT Journal Article SR Electronic T1 What is the best diagnostic approach when pheochromocytoma is suspected? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 257 OP 258 VO 69 IS 3 A1 Emmanuel L. Bravo YR 2002 UL http://www.ccjm.org/content/69/3/257.abstract AB