1. Active management of labor as an alternative to high cesarean section rate for dystocia;O'Driscoll;Obstet Gynecol,1984
2. Active management of labor. A unified policy;MacDonald;Contemp Obstet Gynecol,1985
3. Active management of labor associated with a decrease in the cesarean section rate in nulliparas;Turner;Obstet Gynecol,1988
4. The management of early labor;Turner;Am J Obstet Gynecol,1989