Cytokines and Anxiety in Systemic Lupus Erythematosus (SLE) patients not receiving antidepressant medication: A little-explored frontier and some of its brief history - Figueiredo-Braga, M.; Mota-Garcia, F.; O'Connor, J.-E.; Garcia, J.R.; Mota-Cardoso, R.; Cardoso, C.S.; De Sousa, M. (Annals of the New York Academy of Sciences, 2009)