1. Practice bulletin no. 49: Dystocia and augmentation of labor;American Congress of Obstetricians and Gynecologists;Obstetrics & Gynecology,2003
2. Practice bulletin no. 116: Management of intrapartum fetal heart rate tracings;American Congress of Obstetricians and Gynecologists;Obstetrics & Gynecology,2010
3. Guidelines for professional registered nurse staffing for perinatal units;Association of Women's Health, Obstetric and Neonatal Nurses,2010
4. Idealized design of perinatal care;Cherouny,2005
5. Out of the crisis;Deming,1986