1. The progesterone content of human placentas before and after the onset of labor;Haskins;Am. J. Obstet. Gynecol.,1954
2. Progesterone deprivation in the chorioamnion from laboring women;Schwarz;Gynecol. Invest.,1977
3. Regulatory and functional asymmetry of the pregnant human uterus;Csapo;Perinatol. Neonatol.,1977
4. Initiation of human parturition. V. Progesterone binding substance in fetal membranes;Schwarz;Obstet. Gynecol.,1976
5. Initiation of human parturition. VII. Metabolism of progesterone by fetal membranes of early and late human gestation;Milewich;Obstet. Gynecol.,1977