Caloric restriction reduces IgA levels and modifies cytokine mRNA expression in mouse small intestine - Lara-Padilla, E; Campos-Rodríguez, R; Jarillo-Luna, A; Reyna-Garfias, H; Rivera-Aguilar, V; Miliar, A; Berral de la Rosa, F J; Navas, P; López-Lluch, G (J Nutr Biochem, 2011)