RT Journal Article SR Electronic T1 Congenital factor X deficiency of coagulation revealed by epistaxis JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1265 OP 1266 VO 27 IS 8 A1 Samir Atmani A1 Rachid Aouragh A1 Kaltoum El-Alaoui A1 Abdelhak Bouharrou A1 Moustapha Hida YR 2006 UL http://smj.org.sa/content/27/8/1265.abstract AB