6Polzin WJ, Brady K. The etiology of premature rupture of the membranes. Clin Obstet Gynecol, 1998, 41:810-816.
7Shaarawy M, E1-Minawi AM. Prolactin and calcitropic hormones in preterm premature rupture of membranes. Int J Gynaecol Obstet, 2004,84: 200-207.
8Gaucherand P,Guibaud S, Awada A, et al. Comparative study of three amniotic fluid makers in premature rupture of membranes: fetal fibronectin, alpha-fetoprotein, diamino-oxydase. Acta Obstet Gynecol Seand, 1995,74:118-121.
9Darj E,Lyrenas S. Insulin-like growth factor binding protein-1,a quick way to detect amniotic fluid. Acta Obstet Gynecol Scand, 1998,77: 295-297.
10Ni CY,Jia WX,Yi WM, et al. Practicability of using vaginal fluid markers in detecting premature rupture of membranes.Ann Clin Biochem, 2003 , 40: 542-545.
