RT Journal Article SR Electronic T1 Ectopic pregnancy in a teaching hospital in Sudan JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 687 OP 688 VO 24 IS 6 A1 Dafallah, Saad E. A1 Elsadig, Abdalla H. A1 El-Agib, Faroug YR 2003 UL http://smj.org.sa/content/24/6/687.abstract AB