Umbilical venous blood flow and reference rangesDI NARO, EDOARDOAuthor informationDepartment Obstetrics and Gynecology, University of Bari, Bari, ItalyAddress for correspondence: Edoardo Di Naro, Department of Obstetrics and Gynecology, University of Bari, Bari, Italy. e-mail: [email protected]Acta Obstetricia et Gynecologica Scandinavica 82(11):p 1062, November 2003.Copyright © The Federation of Scandinavian Societies of Obstetrics & Gynecology