RT Journal Article SR Electronic T1 Anti-Toxoplasma gondii antibodies in patients infected with hepatitis B virus. JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 155 OP 157 VO 26 IS 1 A1 Sebnem Ustun A1 Umit Aksoy A1 Galip Ersoz A1 Suleyman Yazar A1 Eser Kilic YR 2005 UL http://smj.org.sa/content/26/1/155.abstract AB