1. Collagen content of human amniotic membranes: effect of gestation length and premature rupture;Skinner;Obstet Gynecol,1981
2. The effect of labor on the rheologic response of chorioamniotic membranes;Lavery;Obstet Gynecol,1982
3. Premature rupture of the membranes before fetal viability;Taylor;Obstet Gynecol,1984
4. Factors that predispose to premature rupture of the fetal membranes;Naeye;Obstet Gynecol,1992
5. Risk factors for preterm premature rupture of fetal membranes: a multicenter case-control study;Harger;Am J Obstet Gynecol,1990