RT Journal Article SR Electronic T1 Pandemic H1N1 influenza JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1380 OP 1380 VO 31 IS 12 A1 Wiwanitkit, Viroj A1 Tutuncu, Emin E. YR 2010 UL http://smj.org.sa/content/31/12/1380.abstract