1. Maternal and obstetric complications of pregnancy are associated with increasing gestational age at term;Caughey;AJOJ,2007
2. Nitric oxide as the final metabolic mediator of cervical ripening;Chwalisz;Hum Reprod,1998
3. Nitric oxide in parturition;Ledingham;BJOG,2000
4. Is cervidil appropriate for outpatient cervical ripening;Rayburn;Obstet Gynecol,2000
5. Effect of three concentrations of intracervical prostaglandin E2 gel for cervical ripening;Voss;J Matern Fetal Med,1996