1Chen B,Yancey MK.Antenatal corticosteroids in preterm premature rupture of membranes.Clinical Obstet Gynecol,1998,41:832.
2Mercer BM,Facog F.Management of preterm premature rupture of the membranes.Obstet Gynecol,1998,41:870.
3Gaucherand P,Guibaud S,Awada A,et al.Comparative study of three amniotic fluid markers in premature rupture of membranes.Acta Obstet Gynecol Scand,1995,74:118.
4Anai T,Tanaka Y,Hirota Y,et al.Vaginal fluid hCG levels for detecting premature rupture of membranes.Obstet Gynecol,1997,89:261.
