J.T, I. ., A. . B.E, and C. . J.T. “Assessment of the Levels of Radiation Absorbed By Radiology Personnel in Some Hospitals in Makurdi Metropolis”. International Journal of Natural Sciences Research, vol. 1, no. 4, Sept. 2013, pp. 26-29, https://archive.conscientiabeam.com/index.php/63/article/view/2305.