2Altinkaya O, Gungor T, Ozat M et al. Cervical phosphorylated insulin - like growth factor binding protein - 1 in prediction of preterm delivery [J].Arch Gynecol Obstet, 2009, 279 (3) : 279.
3Gomez R. Ultrasonographic examination of the uterine cervix in better than cervical digital examination as a predictor of the likelihood of pre- mature delivery in patients with preterm labor and intact membranes [J] . Am J Obstet Gynecol, 1994, 171 (4) : 956.
4Patemoster DM, Muresan D, Vitulo A et al. Cervical phlGFBP - 1 in the evaluation of the risk of preterm delivery [J] . Acta Obstet Gynecol Scand, 2007, 86 (2) : 151.
5Lockwood CJ, Senyei AE, Dische MR et al. Fetal fibronectin in cervical and vaginal secretions as a predictor of pretenn delivery [J]. N Engl J Med, 1991, 325 (10): 669.
6Tanir HM, Sener T, Yildiz Z. Cervical phosphorylated insulin- like growth factor binding protein - 1 for the prediction of preterm delivery in symptomatic cases with intact membranes[J]. J Obstet Gynaecol Res, 2009, 35 (1): 66.
7Barber MA, Eguiluz I, Plasencia Wet al. Preterm delivery and ultrasound measurement of cervical length in Gran Canaria, Spain [J]. Int J Gynaecol Obstet, 2010 , 108 (1) : 58.
8Brik M, Hernandez AI, Pedraz CC et al. Phosphorylated insulin - like growth factor binding protein - 1 and cervical measurement in women with threatening pre/erm birth[J].Acta Obstet Gynecol Stand, 2010, 89 (2):268.
9Rahkonen L, Unkila - Kallio L, Nuutila M et al. Cervical length measurement and cervical phosphorylated insulin - like growth factor binding protein - 1 testing in prediction of preterm birth in patients reporting uterine contractions [J]. Acta Obstet Gynecol Scand, 2009, 88 (8): 901.
10Lohsoonthorn V, Qiu C, Williams MA. Maternal serum C - reactive protein concentrations in early pregnancy and subsequent risk of preterm delivery[J].Clin Biochem, 2007, 40 (5): 330.