RT Journal Article SR Electronic T1 Polycythemia secondary to pheochromocytoma JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 121 OP 124 VO 38 IS 3 A1 Battle, John D. A1 Alfidi, Ralph J. A1 Straffon, Ralph A. YR 1971 UL http://www.ccjm.org/content/38/3/121.abstract AB