Исследование ЭЭГ: B. Hellström, Electroencephalographic Studies in Triple-Immunized Infants, British Medical Journal 2 (1962): 1089–1091.
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Исследование региона Северо-Западной Темзы: T. M. Pollack and J. Morris, A 7-Year Survey of Disorders Attributed to Vaccination in North West Thames Region, The Lancet 1 (1983): 753–757.