Bagnato, G., De Filippis, L., Caliri, A., De Filippis, G., Bagnato, G., Bruno, A., Gambardella, N., Muscatello, M., Cambria, R. and Zoccali, R. 2006. Comparation of levels of anxiety and depression in patients with autommune and chronic-degenerative rheumatic: preliminary data. Reumatismo. 58, 3 (Sep. 2006), 206–211. DOI:https://doi.org/10.4081/reumatismo.2006.206.