1. Bepko, F., Lowe, E. and Waxman, B. 1965. Relief of the emotional factor in labour with parenterally administered diazepam. Obst. Gynaec. 26, 852.
2. Brown, W. E., Barnes, F. and Koch, W. 1969. The use of valium in labour. J. Arkansas Med. Soc. 66, 92.
3. Clarke, P. R. F., Eccersley, P. S., Frisby, J. P. and Thornton, J. A. 1970. Brit. J. Anaes. 42, 690.
4. Elder, M. G. 1972. Proceedings of the 3rd International Congress of Psychosomatic Medicine in Obstetrics and Gynaecology, London, 1971, ed. N. Morris. Basel, Karger, p. 267.
5. Elder, M. G. and Crossley, J. 1969. A double-blind trial of diazepam in labour. J. Obstet. Gynaec. Br. Cmwith. 76, 264.