Influence of catechol-O-methyltransferase genotype (Val158Met) on endocrine, sympathetic nervous and mucosal immune systems in breast cancer survivors - Fernandez-de-las-Peñas, C; Cantarero-Villanueva, I; Fernández-Lao, C; Ambite-Quesada, S; Díaz-Rodríguez, L; Rivas-Martínez, I; del Moral-Avila, R; Arroyo-Morales, M (Breast, 2012)