RT Journal Article SR Electronic T1 Malignant Argentaffinoma JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 143 OP 147 VO 32 IS 3 A1 Barber, David H. A1 Michener, William M. YR 1965 UL http://www.ccjm.org/content/32/3/143.abstract AB