1. Clinical Measurement of Uterine Forces in Pregnancy and Labor;Reynolds,1954
2. Physiology of the uterine contraction;Caldeyro-Barcia;Clin. Obstet. Gynecol.,1960
3. Labor: Clinical evaluation and management;Friedman,1967
4. Perinatal Medicine, The Basic Science Underlying Clinical Practice;Goodwin,1976
5. Intrapartum epidural anesthesia: An evaluation of effects on uterine activity;Lowensohn;Obstet. Gynecol.,1974