References
- Impey, L. Obstetrics and Gynaecology (1999) Blackwell Science.
- LLewellyn-Jones, D. Obstetrics and Gynaecology (7th Edition) (1999) Mosby.
- Symonds, EM & Symonds IM, Essential Obstetrics and Gynaecolgy (3rd Edition) (1999) Harcourt Brace.
- Miller, AWF & Hanretty, KP, Obstetrics Illustrated (5th Edition) (1997) Churchill Livingstone.
- Gauge, SM & Henderson, C, CTG Made Easy (1992) Churchill Livingstone.
- Williams, J & Blanchard, J, Electronic Monitoring of the Fetal Heart (1996) Books for Midwives Press.
- Nigel Simpson, Tracer (Version 2) (1994) Virtual Medicine Corporation.
Last modified 23rd January 2001
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