1. Interpretation of the continuous fetal heart rate record;Renou,1974
2. The unreliability of a single estimation of fetal scalp blood pH;Lumley;J. Lab. Clin. Med,1971
3. Lack of agreement on normal values for fetal scalp blood;Lumley;J. Obstet. Gynaecol. Br. Commonw,1971
4. Wood, C., and Chang, A., editors: Studies in Perinatology. Melbourne, Australia, Monash University, Department of Obstetrics and Gynaecology, Queen Victoria Memorial Hospital.