RT Journal Article SR Electronic T1 The dilemma of evaluating and treating cancer of unknown primary site JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 73 OP 75 VO 64 IS 2 A1 Maurie Markman YR 1997 UL http://www.ccjm.org/content/64/2/73.abstract AB