Hamad, Mohammed Adel, 		Mussad, Abdelmajed Mohamed, AND 		Arabi, Nassir Alhaboob.
" Predictive Factors For Choledocholithiasis In Patient Undergoing Cholecystectomy in Ibn Sina Specialized Hospital  From  1/1/2019 - 1/1/2020" <em>Gezira Journal of Health Sciences</em> [Online], Volume 16 Number 1 (20 September 2020)