EL KHATIB, Ahmed. M.; S. BADAWI, Mohamed.; A. ELZAHER, Mohamed.; GOUDA, Mona. M.; THABET, Abouzeid. A.; ABBAS, Mahmoud. I.; ALMUGREN, Kholud. S. Empirical formulae for calculating γ-ray detectors effective solid angle ratio. Journal of Radiology and Oncology, [S. l.], v. 1, n. 1, p. 012–021, 2017. DOI: 10.29328/journal.jro.1001002. Disponível em: https://www.radiooncologyjournal.com/index.php/jro/article/view/jro-aid1002. Acesso em: 7 dec. 2025.