1. David, H. P. (1981). Abortion policies. In Hodgson, J. E. (ed.) Abortion and Sterilisation, pp. 1–40. (London: Academic Press)
2. Glaister, J. (1953). Medical Jurisprudence and Toxicology, (Edinburgh: Livingstone)
3. Jeffcoate, T. N. A. (1967). Principles of Gynaecology. (3rd Edn.) (London: Butterworth)
4. Cameron, J.M. and Dayan, A.D. (1966). Association of brain damage with therapeutic abortion induced by amniotic fluid replacement. Br. Med. J., 1, 1010–1014
5. Briggs, D.W. (1964). Induction of labour with hypertonic glucose. Br. Med. J., 1, 701–702