Circumscribed lesion of the medial forebrain bundle area causes structural impairment of lymphoid organs and severe depression of immune function in rats - Pasternak, K I; Timo-Iaria, César; Rodrigues, Consuelo Junqueira; Maria, D A; Duarte, Alberto José da Silva; Paiva, L; Pozzi, Diana Helena de Benedetto; Mendonça, B. B.; Wong, M L; Licinio, J (Molecular Psychiatry, 1998)