5Dugoff L, Society for Maternal-Fetal Medicine. First-and second-trimester maternal serum markers for aneuploidy and adverse obstetric outcomes[J]. Obstet Gynecol, 2010,115(5):1052-1061.
6Dreux S, Salomon LJ, Muller F, et al. Second-trimester maternal serum markers and placenta accreta[J]. Prenat Diagn. 2012,32(10):1010-1012.
7Zelop C, Nadel A, Frigoletto FD Jr, et al. Placenta accreta/percreta/increta: a cause of elevated maternal serum alpha-fetoprotein[J]. Obstet Gynecol, 1992,80(4):693-694.
8Gagnon A, Wilson RD, Audibert F, et al. Obstetrical complications associated with abnormal maternal serum markers analytes[J].J Obstet Gynaecol Can, 2008,30(10):918-949.
9Ophir E, Tendler R, Odeh M, et al. Creatine kinase as a biochemical marker in diagnosis of placenta increta and percreta[J]. Am J Obstet Gynecol, 1999,180(4):1039-1040.
10Chantraine F, Blacher S, Berndt S, et al. Abnormal vascular architecture at the placental-maternal interface in placenta increta[J]. Am J Obstet Gynecol, 2012,207(3):188.