1. Maddock, C.R. (1987) A population-based evaluation of sustained mechanical ventilation of newborn babies. Lancet, ii, 1254–8.
2. House of Commons Health Committee (1992) Maternity Services. Vol. III, Appendices to the Minutes of Evidence, pp. 651–922 (memorandum by Medical Practitioners’ Union, HMSO, London.
3. Hodge, H. (1838) Introductory Lecture to the Course on Obstetrics and the Diseases of Women and Children, University of Pennsylvania (T.G. Auner), Philadelphia.
4. Donnison, J. (1977) Midwives and Medical Men, Heinemann, London, p. 130.
5. House of Commons Health Committee (1992) Maternity Services. Vol. I (The Winterton Report), HMSO, London, paras 1–453.