THOMAS, Adejoh; SOBECHUKWU, WI Onwuzu; NWAMAKA, C Ikegwuonu; FLAVIOUS, B Nkubli. Greyscale Appearance of Film‑screen Radiographic Artefacts in a University Teaching Hospital. West African Journal of Radiology, [S. l.], v. 22, n. 2, p. 82–85, 2025. DOI: 10.82235/wajr.vol22no2.307. Disponível em: https://www.wajr.org/index.php/home/article/view/307. Acesso em: 10 feb. 2026.