6Smith V, Devane D, Begley CM et al. A systematic review and quality assessment of systematic reviews of fetal fibronectin and transvaginal length for predicting preterm birth[J]. Eur J Obstet Gynecol Reprod Biol, 2007, 133 (2): 134.
7Kemp, Birgit, Menon et al. Quantitation and localization of inflammatory cytokines interleukin 26 and interleukin - 8 in the lower uterine segment during cervical dilatation [J]. Journal of Assisted Reproduction Genetics, 2002, 19 (5): 215.
8Skrablin S, Lovric H, Banovic Vet al. Maternal plasma interleukin - 6, interleukin - 1 beta andC - reactive protein as indicators of toeolysis failure and neonatal outcome after preterm delivery [J]. J Matern Fetal Neonatal Med, 2007, 20 (4): 335.
9Viscardi M, Muhumuza K, Rodriguez A et al. Inflammatory markers in intrauterine and fetal blood and cerebrospinal fluid compartments are associated with adverse pulmonary neurologic outcome in preterm infants [J].. Pediatric Research, 2004, 55 (6) : 1009.
10Torbe A, Czajka R. Proinflammatory cytokine and other indications of inflammation in cervico - vaginal secretions and preterm delivery[J].Int J Gynaecol Obstet, 2004, 87:125.