1. An in vitro model for the study of enzymatically mediated biomechanieal changes in the chorioamniotic membranes;Artal;Am J Obstet Gynecol,1979a
2. Fetal and maternal copper levels in patients at term with and without premature rupture of the membranes;Artal;Obstet Gynecol,1979b
3. Amniotic infection syndrome;Blanc;Clin Obstet Gynecol,1959