RT Journal Article SR Electronic T1 Prophylaxis against infective endocarditis. A review of current international guidelines JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1256 OP 1262 VO 30 IS 10 A1 Al-Yousef, Sulaiman A. YR 2009 UL http://smj.org.sa/content/30/10/1256.abstract