1. Blackwell, B. (1982) Antidepressant drugs: side-effects and compliance. J. Clin. Psychiatry, 43:II: 14–18.
2. Coppen, A., Ghose, K., Montgomery, S., et al. (1978) Amitriptylene plasma concentration and clinical effect. Lancet, i, 63–6.
3. Hopkinson, F.J. (1964) A general study of affective illness in patients over 50, Brit. J. Psychiat., 116, 244–54.
4. Imlah, N.W., Ryan, E. and Harrington, J.A. (1965) The influence of antidepressant drugs on the response to electroconvulsive therapy and on subsequent relapse rates. J. Neuropsychopharm., 4, 439–42.
5. Jacoby, R.J. and Levy, R. (1980) Computed tomography in the elderly III: affective disorders. Brit. J. Psychiat., 136, 270–6.