Thomas, A., Emeka, C. O., Mohammed, A., Alhaji, M. A., Ama, S. I., Christian, C. N., Hyacienth, U. C. (2018). Computed tomography scanner census and adult head dose in Nigeria. The Egyptian Journal of Radiology and Nuclear Medicine. https://doi.org/10.1016/j.ejrnm.2017.09.001