1. Computerized fetal heart rate analysis in labour effect of sampling rate;Chang;Eur J Obstet Gynecol Reprod Biol,1995
2. The fetal heart rate is normal, isn't it?;Grant;Lancet,1991
3. Perinatal Loss and appropriate fetal surveillance;Neilson,1994
4. Guidelines for the use of fetal monitoring;Rooth;Int J Gynaecol Obstet,1987
5. Statistical methods for assessing agreement between two methods of clinical measurement;Bland;Lancet,1986