Kaplan, R., Meadows, M. E., Vincent, L. C., Logigian, E. L., & al., et. (1992). Memory impairment and depression in patients with Lyme encephalopathy: Comparison with fibromyalgia and nonpsychotically depressed patients. Neurology, 42(7), 1263–1267. Lippincott Williams \& Wilkins, US,  http://www.lww.com