1. Massive subaponeurotic haemorrhage in infants born by vacuum extraction;Ahuja;British Medical Journal,1969
2. Subcutaneous symphysiotomy in association with the vacuum extractor;Bird;Journal of Obstetrics and Gynaecology of the British Commonwealth,1967
3. The management of malrotation of the occiput;Chalmers;Journal of Obstetrics and Gynaecology of the British Commonwealth,1968
4. The Ventouse, the Obstetric Vacuum Extractor;Chalmers,1971
5. Vacuum extraction initiated during the first stage of labour;Chalmers;Journal of Obstetrics and Gynaecology of the British Commonwealth,1971