1. A hazard associated with the use of spiral fetal scalp electrodes;Thomas;Am J Obstet Gynecol,1975
2. Intrapartum assessment and dystocia. In: Cunningham FG, MacDonald PC, editors. Williams’ obstetrics, 20th ed. Stamford: Appleton & Lange, 1997:347–378.
3. Birth injuries;Mangurten,1992
4. Birth-associated injury;Curran;Clin Perinatol,1981
5. Ocular Trauma;Isenberg,1994