Yousef, M., C. Edward, H. Ahmed, L. Bushara, A. Hamdan, and N. Elnaiem. “Film Reject Analysis For Conventional Radiography In Khartoum Hospitals”. Asian Journal of Medical Radiological Research, Vol. 2, no. 1, Dec. 2013, pp. 1-5, https://aijournals.com/index.php/ajmrr/article/view/217.