RT Journal Article SR Electronic T1 Metastatic malignancies of unknown primary site and malignancies of unknown origin whether primary or metastatic JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1840 OP 1843 VO 26 IS 11 A1 Al-Hilli, Fayek A1 Ansari, Naseem A. YR 2005 UL http://smj.org.sa/content/26/11/1840.abstract AB