1. The validity of discontinuous pH measurements on fetal blood and of cardiotocography in predicting neonatal Apgar score;Weber;Dan Med Bull,1979
2. A controlled trial of the differential effect of intrapartum fetal monitoring;Haverkamp;Am J Obstet Gynecol,1979
3. CTG supplemented with continuous fetal pH monitoring during labour;Weber;Acta Obstet Gynecol Scand,1982
4. Continuous CTG as a form of electronic fetal monitoring for fetal assessment during labour;Alfirevic;Cochrane Database Syst Rev,2008
5. Intrapartum fetal scalp lactate sampling for fetal assessment in the presence of a non-reassuring fetal heart rate trace;East;Cochrane Database Syst Rev,2010