1. Continuous transcutaneous monitoring of fetal oxygen tension during labour;Huch;Br. J. Obstet. Gynaecol.,1977
2. The relationship of fetal heart rate patterns to the fetal transcutaneous PO2;Willcourt;Am. J. Obstet. Gynecol.,1981
3. The classification of the fetal heart rate. II. A revised working classification;Hon;Conn. Med. J.,1967
4. Transcutaneous PO2 monitoring in routine management of infants and children with cardio-respiratory problems;Huch;Pediatrics,1976