Intraperitoneal administration of mRNA encoding interleukin-12 for immunotherapy in peritoneal carcinomatosis by Arrizabalaga, L, Di Trani, CA, Fernández-Sendin, M, Bella, Á, Russo-Cabrera, JS, Gomar, C, Ardaiz, N, Belsue, V, González-Gomariz, J, Zalba, S, Gil-Korilis, A, Garrido, MJ, Melero, I, Aranda, F, Berraondo, P