Factors associated with abnormal cerebral blood flow in Egyptian children with sickle cell disease oleh Foad Abd-Allah, Mona Eltagui, Alshaimaa Mahmoud Aboulfotooh, Nirmeen Adel Kishk, Mohammad Ahmed Farrag, Sandra Ahmed Mohammed, Reham Mohammed Shamloul, Shaimaa El-Jaafary, Fadwa Said, Ahmed Ibrahim, Mona Elghamrawy