6Pinto A, Sorrentino R, Sorrentio P, et al. Endothellal-derived relaxing factor released by endothelial cells of human umbilical vessels and its impairment in pregnancy-induced hypertention.Am J Obstet Gynecol,1991,164:507. 被引量:1
7Myatt L, Brewer A, Brockman DE.The action of nitric oxide in the peduesed human fetal-placental circulation. Am J Obstet Gynecol, 1991,164 : 687 -692. 被引量:1
8Weiner CP, Knowles RG, Moncada S. Induction of nitric oxide synthases early in pregnancy. Am J Obstet Gynecol, 1994,171:838-843. 被引量:1