X- and gamma-rays attenuation properties of DNA nucleobases by using FLUKA simulation code M. S. Al-Buriahi, Chahkrit Sriwunkum and Imed Boukhris Eur. Phys. J. Plus, 136 7 (2021) 776 Published online: 27 July 2021 DOI: 10.1140/epjp/s13360-021-01755-8