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1.  Ellaithi M, Nilsson T, Gisselsson D, Elagib A, Eltigani H, Fadl-Elmula I. Female genital mutilation of a karyotypic male presenting as a female with delayed puberty. BMC Womens Health. 2006;6:6.
 
2.  Al-Tigani HA, Bakheit MA. Prevalence of the anatomic variations of the extra biliary ducts in Khartoum, Sudan. Saudi Med J. 2004;25(9):1281-1282.