RT Journal Article SR Electronic T1 Is Saudi Arabia a fertile land for exchanging infectious diseases? JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 803 OP 804 VO 28 IS 5 A1 Al-Hajoj, Sahal A. A1 Al-Rabiah, Fahad YR 2007 UL http://smj.org.sa/content/28/5/803.abstract AB