Le difese organiche - Macfarlane Burnet, Frank. (OLS)http://semarc/name/54219; Maldacea, Lucia. (OLS)http://semarc/name/52491 (Boringhieri,, 1967)
Keywords: Immunologia. (OLS)http://semarc/subject/25859; Medicina preventiva. (OLS)http://semarc/subject/25860