5Miyazawa K.Role of epidermal growth factor in obstetrics and gynecology[J].Obstet Gynecol, 1992,79(6):1032-1040.
6Maruo T,Mochizuki M.Immunohistochemical localization of epidermal growth factor receptor and myc oncogene product in human placenta: implication for trophoblast proliferation and differentiation[J].Am J Obstet Gynecol,1987,156(3):721-727.
7Walter A, Ari, Bill R,et al.Fetal lung maturation: Amniotic fluid catechola mines phospholipids, and cortisol [J].Am J Obstet Gynecol,1982,142(4):440～444.
8Pachi A, De Luca F, Cametti C,et al. Use of electrical conductivity of amniotic fluid in the evaluation of fetal lung maturation [J]. Fetal Diagn Ther,2001,16(2): 90～94.
9Jay L.Metabolic profiling of amniotic fluid by proton nuclear magnetic resonacne spectroscopy: Correlation with fetal maturation and other clinical variables [J].Clin Chem,1994,40(1): 56～61.
10Yoshimura S, Masuzaki H, Gotoh H,et al.Ultrasonographic prediction of lethal pulmonary hypoplasia: comparison of eight different ultrasonographic parameters.Am[J].J Obstet Gynecol,1996,175(2): 477～483.
