References
- Steer P. J. Fetal distress. Risks of Labour, J. W. Crawford. Wiley, Chichester 1985; 11–31
- Steer P. J. Is fetal blood sampling and pH estimation helpful or harmful. Archives of Diseases in Childhood 1987; 62: 1097–1098
- Westgate J., Greene K. How well is fetal blood sampling used in clinical practice. British Journal of Obstetrics and Gynaecology 1994; 101: 250–251