Mohammed AO, Attalla B, Bashir FM, Ahmed FE, El Hassan AM, Ibnauf G, Jiang W, Cavalli-Sforza LL, Karrar ZA, Ibrahim ME. Relationship of the sickle cell gene to the ethnic and geographic groups populating the Sudan. Community Genet. 2006;9(2):113-20. PMID: 16612062
Mohammed AO, Attalla B, Bashir FM, Ahmed FE, El Hassan AM, Ibnauf G, Jiang W, Cavalli-Sforza LL, Karrar ZA, Ibrahim ME. Relationship of the sickle cell gene to the ethnic and geographic groups populating the