Al-Saleh S, Al-Arfaj A, Naddaf H, Memish Z
Departments of Medicine, King Fahad National Guard Hospital, King Khalid University Hospital, and Security Forces Hospital, Riyadh, Saudi Arabia.
Ann Saudi Med. 1998 Jul-Aug;18(4):368-9. doi: 10.5144/0256-4947.1998.368.