D K Richardson1, L J Heffner. 1. Department of Neonatology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA. drichard@CareGroup.harvard.edu
Authors: L D E Wijnberger; M de Kleine; H A M Voorbij; B Arabin; H W Bruinse; G H A Visser; P M M Bossuyt; B W J Mol Journal: Arch Gynecol Obstet Date: 2009-04-19 Impact factor: 2.344