RT Journal Article SR Electronic T1 Retroperitoneal hematoma following rofecoxib and enoxaparin coadministration in a patient with atrial fibrillation JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 336 OP 337 VO 26 IS 2 A1 Khan, Fahmi Y. A1 Hassan, Ibrahim F. A1 Allity, Mustafa H. A1 Khan, Saifatuallah M. YR 2005 UL http://smj.org.sa/content/26/2/336.abstract AB