Soregaroli M, Valcamonico A, Scalvi L, Danti L, Frusca T. Late normalisation of uterine artery velocimetry in high risk pregnancy. European Journal of Obstetrics & Gynecology and Reproductive Biology. 2001 Mar;95(1):42–5. doi: 10.1016/s0301-2115(00)00358-4.