D. Ahmad, Khalid, Hassan M. Al-Taa, and Faika A. Azooz. 2009. “Observation of Hypersensitivity Phenomena in E-Coli Cells After Irradiation by Alpha Particles”. Rafidain Journal of Science 20 (3):113-20. https://doi.org/10.33899/rjs.2009.41335.