BergmannK., KayD.W.K., FosterE.M., McKechnieA.A., RothM.: A follow-up study of randomly selected community residents to assess the effects of chronic brain syndrome and cerebrovascular disease.Proc V World Cong Psychiatry, 2: 56, 1971.
2.
ColeM., HickingT.: Frequency and significance of minor organic signs in elderly depressives.Can Psychiatr Assoc J, 21(1): 7–12, 1976.
3.
KayD.W.K.: Outcome and causes of death in mental disorders of old age: a long-term follow-up of functional and organic psychoses.Acta Psychiatr Scand, 38: 249, 1962.
4.
KayD.W.K., BeamishP., RothM.: Old age mental disorders in Newcastle-upon-Tyne. Part I: A study of prevalence.Br J Psrchiatry, 110: 146, 1964.
5.
KayD.W.K.,: A four-year follow-up of a random sample of old people originally seen in their own homes. A physical, social and psychiatric enquiry.Proc IV World Congr Psychiatry, 3: 1668, 1968.
6.
KralV.A., CahnC., MuellerH.: Senescent memory impairment and its relation to the aging individual.J Am Geriatr Soc, 12: 101, 1961.
7.
ParsonsP.L.: Mental health of Swansea's old folk.Br J Prev Soc Med., 19: 43, 1965.
8.
PostF.: The Significance of Affective Symp-toms in Old Age.Oxford University Press, Maudsley Monogr., 1962
9.
RothM.: The natural history of mental disorder in old age.J Ment Sci, 101: 281, 1955.