Resistive plate chambers in positron emission tomography Paulo Crespo, Alberto Blanco, Miguel Couceiro, Nuno C. Ferreira, Luís Lopes, Paulo Martins, Rui Ferreira Marques and Paulo Fonte Eur. Phys. J. Plus, 128 7 (2013) 73 Published online: 09 July 2013 DOI: 10.1140/epjp/i2013-13073-5