1. ABRAMS, A. L. (1964). Amer. J. Psychiat. 121, 87.
2. AGARWALA, S. and HEYCOCK, J, B. (1968). Brit. J. clin. Pract. 22, 296.
3. ALDERTON, H. R. (1965). Canad. psychiat. Ass. J. 10, 141.
4. ALEXANDERSON, B., PRICE EVANs, D. A. and SJOQVIST, F. (1969). Brit. med. J. iv, 764.
5. The Child and His Symptoms;APLEY, J.; MacKEITH, R.,1968