1. Ashcroft, G. W., Crawford, T. B. B., Eccleston, D. F., MacDougall, E. J., Stanton, J. B., Binns, J. K., 1966, Lancet, 2: 1049–1050.
2. Bowers, M. B., 1974, Arch. Gen. Psychiat., 31: 50–54.
3. Carlsson, A., 1978, Am. J. Psychiat., 135: 164–173.
4. Kety, S. S., Rosenthal, D., Wender, P. H., Schulsinger, F., Jacobsen, B., in: “Genetic Research in Psychiatry,” R. Fieve, D. Rosenthal, and H. Brill, Eds., The John Hopkins University Press, Baltimore and London, 1975, pp. 147–165.
5. Matthysse, S., Lipinski, J., 1975, Ann. Rev. Med., 26: 551–565.