Maaruf, A., Gide Muhammed , B., & Rufai Usman, A. (2022). Determination of Entrance Surface Dose for Patients Undergoing Conventional Chest X-ray Examination at Radiology Department, Federal Teaching Hospital (FTH) Katsina. UMYU Scientifica, 1(2), 69–77. https://doi.org/10.56919/usci.1222.009