4Stimmler MM, Coletti PM, Quismorio FP, et al. Magnetic resonance imaging of the brain in neuropsythiatric systemic lupus erythematosus. Semin in Arthriti- sand Rheumatism, 1993,22: 335-349.
5Van Dam AP, Wekking EM, Callewaert JA, et al. Psychiatric symptoms before systemic lupus erythematosus is diagnosed. Rheumatol Int, 1994,14:57-62.
6The American College of Rheumatology nomenclature and case definitions for neuropsychiatric lupus syndromes. Arthritis Rheum, 1999,42: 599-608.
