A prototype of pCT scanner: first tests J. A. Briz, I. Posadillo, V.G. Távora, E. Nácher, M.J.G. Borge, O. Tengblad, A. Perea, A. Ortiz, J. D. Ovejas and S. Viñals EPJ Web Conf., 253 (2021) 09008 Published online: 19 November 2021 DOI: 10.1051/epjconf/202125309008