RT Journal Article SR Electronic T1 The prevalence of hepatitis B carrier state in Khorassan province of Iran JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 549 OP 551 VO 24 IS 5 A1 Farhat, Ahmadshah A1 Khademi, Gholamreza A1 Mazouman, Shahriar J. YR 2003 UL http://smj.org.sa/content/24/5/549.abstract AB