1. Bromham DR, Bird Stewart J, Stratton PM, Martin Clement N, Jackson JC: Surrogacy—the issues. Univ Leeds Rev 1989;32:161–195
2. Snowden R: The family and artificial reproduction.In Philosophical Ethics in Reproductive Medicine, DR Bromham, ME Dalton, JC Jackson (eds). Manchester, Manchester University Press, 1990, pp 70–83
3. Bromham DR: The law, public opinion and reproductive medicine. Br J Family Plan 1988;14:39–40
4. Bromham DR: Surrogacy—the evolution of opinion. Br J Hosp Med 1992;47:767–772
5. Warnock M: The new ethical problems in infertility.In Progress in Obstetrics and Gynaecology, Vol. 6, J Studd (ed). Edinburgh, Churchill Livingstone, 1987, pp 243–251